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Finding the Fourth Proportional to 125,653.28, 188,480.04 and 59,044.56

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Solution

The fourth proportional to 125,653.28, 188,480.04 and 59,044.56 is: 88,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653.28 : 188,480.04 = 59,044.56 : x
  2. Step 2: Convert to fraction form
    125,653.28/188,480.04 = 59,044.56/x
  3. Step 3: Cross multiply
    125,653.28x = 188,480.04 × 59,044.56
  4. Step 4: Simplify right side
    125,653.28x = 11,128,721,030.58
  5. Step 5: Solve for x
    x = 11,128,721,030.58/125,653.28
  6. Step 6: Final answer
    x = 88,566.90

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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.