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Finding the Fourth Proportional to 125,305.86, 187,967.02 and 36,551.94

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Solution

The fourth proportional to 125,305.86, 187,967.02 and 36,551.94 is: 54,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305.86 : 187,967.02 = 36,551.94 : x
  2. Step 2: Convert to fraction form
    125,305.86/187,967.02 = 36,551.94/x
  3. Step 3: Cross multiply
    125,305.86x = 187,967.02 × 36,551.94
  4. Step 4: Simplify right side
    125,305.86x = 6,870,559,237.02
  5. Step 5: Solve for x
    x = 6,870,559,237.02/125,305.86
  6. Step 6: Final answer
    x = 54,830.31

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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.