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Finding the Fourth Proportional to 75,171.66, 112,675.98 and 37,641.26

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Solution

The fourth proportional to 75,171.66, 112,675.98 and 37,641.26 is: 56,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.66 : 112,675.98 = 37,641.26 : x
  2. Step 2: Convert to fraction form
    75,171.66/112,675.98 = 37,641.26/x
  3. Step 3: Cross multiply
    75,171.66x = 112,675.98 × 37,641.26
  4. Step 4: Simplify right side
    75,171.66x = 4,241,265,295.55
  5. Step 5: Solve for x
    x = 4,241,265,295.55/75,171.66
  6. Step 6: Final answer
    x = 56,421.07

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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.