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Finding the Fourth Proportional to 75,188.64, 103,752.78 and 44,967.90

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Solution

The fourth proportional to 75,188.64, 103,752.78 and 44,967.90 is: 62,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,188.64 : 103,752.78 = 44,967.90 : x
  2. Step 2: Convert to fraction form
    75,188.64/103,752.78 = 44,967.90/x
  3. Step 3: Cross multiply
    75,188.64x = 103,752.78 × 44,967.90
  4. Step 4: Simplify right side
    75,188.64x = 4,665,544,635.76
  5. Step 5: Solve for x
    x = 4,665,544,635.76/75,188.64
  6. Step 6: Final answer
    x = 62,051.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.