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Finding the Fourth Proportional to 132,957.59, 183,484.94 and 72,529.25

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Solution

The fourth proportional to 132,957.59, 183,484.94 and 72,529.25 is: 100,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957.59 : 183,484.94 = 72,529.25 : x
  2. Step 2: Convert to fraction form
    132,957.59/183,484.94 = 72,529.25/x
  3. Step 3: Cross multiply
    132,957.59x = 183,484.94 × 72,529.25
  4. Step 4: Simplify right side
    132,957.59x = 13,308,024,721.85
  5. Step 5: Solve for x
    x = 13,308,024,721.85/132,957.59
  6. Step 6: Final answer
    x = 100,092.25

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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.