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Finding the Fourth Proportional to 125,041.61, 187,580.87 and 36,283.58

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Solution

The fourth proportional to 125,041.61, 187,580.87 and 36,283.58 is: 54,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.61 : 187,580.87 = 36,283.58 : x
  2. Step 2: Convert to fraction form
    125,041.61/187,580.87 = 36,283.58/x
  3. Step 3: Cross multiply
    125,041.61x = 187,580.87 × 36,283.58
  4. Step 4: Simplify right side
    125,041.61x = 6,806,105,223.28
  5. Step 5: Solve for x
    x = 6,806,105,223.28/125,041.61
  6. Step 6: Final answer
    x = 54,430.72

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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.