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Finding the Fourth Proportional to 125,169.95, 187,773.75 and 36,411.77

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Solution

The fourth proportional to 125,169.95, 187,773.75 and 36,411.77 is: 54,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,169.95 : 187,773.75 = 36,411.77 : x
  2. Step 2: Convert to fraction form
    125,169.95/187,773.75 = 36,411.77/x
  3. Step 3: Cross multiply
    125,169.95x = 187,773.75 × 36,411.77
  4. Step 4: Simplify right side
    125,169.95x = 6,837,175,066.47
  5. Step 5: Solve for x
    x = 6,837,175,066.47/125,169.95
  6. Step 6: Final answer
    x = 54,623.13

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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.