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Finding the Fourth Proportional to 125,876.60, 188,897.72 and 59,335.50

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Solution

The fourth proportional to 125,876.60, 188,897.72 and 59,335.50 is: 89,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.60 : 188,897.72 = 59,335.50 : x
  2. Step 2: Convert to fraction form
    125,876.60/188,897.72 = 59,335.50/x
  3. Step 3: Cross multiply
    125,876.60x = 188,897.72 × 59,335.50
  4. Step 4: Simplify right side
    125,876.60x = 11,208,340,368.38
  5. Step 5: Solve for x
    x = 11,208,340,368.38/125,876.60
  6. Step 6: Final answer
    x = 89,042.29

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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.