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Finding the Fourth Proportional to 176,666.70, 243,777.87 and 119,430.53

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Solution

The fourth proportional to 176,666.70, 243,777.87 and 119,430.53 is: 164,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,666.70 : 243,777.87 = 119,430.53 : x
  2. Step 2: Convert to fraction form
    176,666.70/243,777.87 = 119,430.53/x
  3. Step 3: Cross multiply
    176,666.70x = 243,777.87 × 119,430.53
  4. Step 4: Simplify right side
    176,666.70x = 29,114,518,997.48
  5. Step 5: Solve for x
    x = 29,114,518,997.48/176,666.70
  6. Step 6: Final answer
    x = 164,799.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.