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Finding the Fourth Proportional to 93,902, 129,584.80 and 51,462.24

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Solution

The fourth proportional to 93,902, 129,584.80 and 51,462.24 is: 71,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,902 : 129,584.80 = 51,462.24 : x
  2. Step 2: Convert to fraction form
    93,902/129,584.80 = 51,462.24/x
  3. Step 3: Cross multiply
    93,902x = 129,584.80 × 51,462.24
  4. Step 4: Simplify right side
    93,902x = 6,668,724,077.95
  5. Step 5: Solve for x
    x = 6,668,724,077.95/93,902
  6. Step 6: Final answer
    x = 71,017.91

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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.