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Finding the Fourth Proportional to 125,187.55, 187,810.50 and 36,450.43

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Solution

The fourth proportional to 125,187.55, 187,810.50 and 36,450.43 is: 54,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.55 : 187,810.50 = 36,450.43 : x
  2. Step 2: Convert to fraction form
    125,187.55/187,810.50 = 36,450.43/x
  3. Step 3: Cross multiply
    125,187.55x = 187,810.50 × 36,450.43
  4. Step 4: Simplify right side
    125,187.55x = 6,845,773,483.52
  5. Step 5: Solve for x
    x = 6,845,773,483.52/125,187.55
  6. Step 6: Final answer
    x = 54,684.14

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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.