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Finding the Fourth Proportional to 125,066.30, 187,551.59 and 61,864.70

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Solution

The fourth proportional to 125,066.30, 187,551.59 and 61,864.70 is: 92,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,066.30 : 187,551.59 = 61,864.70 : x
  2. Step 2: Convert to fraction form
    125,066.30/187,551.59 = 61,864.70/x
  3. Step 3: Cross multiply
    125,066.30x = 187,551.59 × 61,864.70
  4. Step 4: Simplify right side
    125,066.30x = 11,602,821,602.79
  5. Step 5: Solve for x
    x = 11,602,821,602.79/125,066.30
  6. Step 6: Final answer
    x = 92,773.37

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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.