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Finding the Fourth Proportional to 132,287.95, 182,484.66 and 83,801.08

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Solution

The fourth proportional to 132,287.95, 182,484.66 and 83,801.08 is: 115,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.95 : 182,484.66 = 83,801.08 : x
  2. Step 2: Convert to fraction form
    132,287.95/182,484.66 = 83,801.08/x
  3. Step 3: Cross multiply
    132,287.95x = 182,484.66 × 83,801.08
  4. Step 4: Simplify right side
    132,287.95x = 15,292,411,591.43
  5. Step 5: Solve for x
    x = 15,292,411,591.43/132,287.95
  6. Step 6: Final answer
    x = 115,599.43

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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.