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Finding the Fourth Proportional to 74,695.59, 111,967.43 and 29,748.79

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Solution

The fourth proportional to 74,695.59, 111,967.43 and 29,748.79 is: 44,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,695.59 : 111,967.43 = 29,748.79 : x
  2. Step 2: Convert to fraction form
    74,695.59/111,967.43 = 29,748.79/x
  3. Step 3: Cross multiply
    74,695.59x = 111,967.43 × 29,748.79
  4. Step 4: Simplify right side
    74,695.59x = 3,330,895,561.91
  5. Step 5: Solve for x
    x = 3,330,895,561.91/74,695.59
  6. Step 6: Final answer
    x = 44,592.93

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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.