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Finding the Fourth Proportional to 149,617.88, 224,425.02 and 86,532.92

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Solution

The fourth proportional to 149,617.88, 224,425.02 and 86,532.92 is: 129,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,617.88 : 224,425.02 = 86,532.92 : x
  2. Step 2: Convert to fraction form
    149,617.88/224,425.02 = 86,532.92/x
  3. Step 3: Cross multiply
    149,617.88x = 224,425.02 × 86,532.92
  4. Step 4: Simplify right side
    149,617.88x = 19,420,152,301.66
  5. Step 5: Solve for x
    x = 19,420,152,301.66/149,617.88
  6. Step 6: Final answer
    x = 129,798.34

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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.