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Finding the Fourth Proportional to 178,119,010.80, 266,753,363.40 and 178,119,010.80

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Solution

The fourth proportional to 178,119,010.80, 266,753,363.40 and 178,119,010.80 is: 266,753,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,119,010.80 : 266,753,363.40 = 178,119,010.80 : x
  2. Step 2: Convert to fraction form
    178,119,010.80/266,753,363.40 = 178,119,010.80/x
  3. Step 3: Cross multiply
    178,119,010.80x = 266,753,363.40 × 178,119,010.80
  4. Step 4: Simplify right side
    178,119,010.80x = 47,513,845,216,380,928
  5. Step 5: Solve for x
    x = 47,513,845,216,380,928/178,119,010.80
  6. Step 6: Final answer
    x = 266,753,363.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.