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Finding the Fourth Proportional to 187,265.50, 280,935.31 and 60,897.60

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Solution

The fourth proportional to 187,265.50, 280,935.31 and 60,897.60 is: 91,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.50 : 280,935.31 = 60,897.60 : x
  2. Step 2: Convert to fraction form
    187,265.50/280,935.31 = 60,897.60/x
  3. Step 3: Cross multiply
    187,265.50x = 280,935.31 × 60,897.60
  4. Step 4: Simplify right side
    187,265.50x = 17,108,286,134.26
  5. Step 5: Solve for x
    x = 17,108,286,134.26/187,265.50
  6. Step 6: Final answer
    x = 91,358.45

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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.