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Finding the Fourth Proportional to 178,277.80, 267,351.90 and 89,501.80

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Solution

The fourth proportional to 178,277.80, 267,351.90 and 89,501.80 is: 134,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,277.80 : 267,351.90 = 89,501.80 : x
  2. Step 2: Convert to fraction form
    178,277.80/267,351.90 = 89,501.80/x
  3. Step 3: Cross multiply
    178,277.80x = 267,351.90 × 89,501.80
  4. Step 4: Simplify right side
    178,277.80x = 23,928,476,283.42
  5. Step 5: Solve for x
    x = 23,928,476,283.42/178,277.80
  6. Step 6: Final answer
    x = 134,220.17

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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.