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Finding the Fourth Proportional to 61,306.29, 91,842.80 and 34,931.07

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Solution

The fourth proportional to 61,306.29, 91,842.80 and 34,931.07 is: 52,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,306.29 : 91,842.80 = 34,931.07 : x
  2. Step 2: Convert to fraction form
    61,306.29/91,842.80 = 34,931.07/x
  3. Step 3: Cross multiply
    61,306.29x = 91,842.80 × 34,931.07
  4. Step 4: Simplify right side
    61,306.29x = 3,208,167,101.14
  5. Step 5: Solve for x
    x = 3,208,167,101.14/61,306.29
  6. Step 6: Final answer
    x = 52,330.15

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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.