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Finding the Fourth Proportional to 125,265.40, 187,918.80 and 62,088.48

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Solution

The fourth proportional to 125,265.40, 187,918.80 and 62,088.48 is: 93,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,265.40 : 187,918.80 = 62,088.48 : x
  2. Step 2: Convert to fraction form
    125,265.40/187,918.80 = 62,088.48/x
  3. Step 3: Cross multiply
    125,265.40x = 187,918.80 × 62,088.48
  4. Step 4: Simplify right side
    125,265.40x = 11,667,592,655.42
  5. Step 5: Solve for x
    x = 11,667,592,655.42/125,265.40
  6. Step 6: Final answer
    x = 93,142.98

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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.