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Finding the Fourth Proportional to 185,703.90, 278,451.28 and 59,314.44

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Solution

The fourth proportional to 185,703.90, 278,451.28 and 59,314.44 is: 88,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,703.90 : 278,451.28 = 59,314.44 : x
  2. Step 2: Convert to fraction form
    185,703.90/278,451.28 = 59,314.44/x
  3. Step 3: Cross multiply
    185,703.90x = 278,451.28 × 59,314.44
  4. Step 4: Simplify right side
    185,703.90x = 16,516,181,740.48
  5. Step 5: Solve for x
    x = 16,516,181,740.48/185,703.90
  6. Step 6: Final answer
    x = 88,938.26

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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.