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Finding the Fourth Proportional to 75,171.53, 112,675.79 and 37,641.13

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Solution

The fourth proportional to 75,171.53, 112,675.79 and 37,641.13 is: 56,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.53 : 112,675.79 = 37,641.13 : x
  2. Step 2: Convert to fraction form
    75,171.53/112,675.79 = 37,641.13/x
  3. Step 3: Cross multiply
    75,171.53x = 112,675.79 × 37,641.13
  4. Step 4: Simplify right side
    75,171.53x = 4,241,243,871.66
  5. Step 5: Solve for x
    x = 4,241,243,871.66/75,171.53
  6. Step 6: Final answer
    x = 56,420.88

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1.5x scale

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.