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Finding the Fourth Proportional to 94,706.70, 130,695.96 and 51,686.52

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Solution

The fourth proportional to 94,706.70, 130,695.96 and 51,686.52 is: 71,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,706.70 : 130,695.96 = 51,686.52 : x
  2. Step 2: Convert to fraction form
    94,706.70/130,695.96 = 51,686.52/x
  3. Step 3: Cross multiply
    94,706.70x = 130,695.96 × 51,686.52
  4. Step 4: Simplify right side
    94,706.70x = 6,755,219,350.46
  5. Step 5: Solve for x
    x = 6,755,219,350.46/94,706.70
  6. Step 6: Final answer
    x = 71,327.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.