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Finding the Fourth Proportional to 125,012.34, 187,537.01 and 36,254.34

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Solution

The fourth proportional to 125,012.34, 187,537.01 and 36,254.34 is: 54,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.34 : 187,537.01 = 36,254.34 : x
  2. Step 2: Convert to fraction form
    125,012.34/187,537.01 = 36,254.34/x
  3. Step 3: Cross multiply
    125,012.34x = 187,537.01 × 36,254.34
  4. Step 4: Simplify right side
    125,012.34x = 6,799,030,341.85
  5. Step 5: Solve for x
    x = 6,799,030,341.85/125,012.34
  6. Step 6: Final answer
    x = 54,386.87

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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.