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Finding the Fourth Proportional to 65,129.60, 97,639.02 and 62,029.53

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Solution

The fourth proportional to 65,129.60, 97,639.02 and 62,029.53 is: 92,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,129.60 : 97,639.02 = 62,029.53 : x
  2. Step 2: Convert to fraction form
    65,129.60/97,639.02 = 62,029.53/x
  3. Step 3: Cross multiply
    65,129.60x = 97,639.02 × 62,029.53
  4. Step 4: Simplify right side
    65,129.60x = 6,056,502,520.26
  5. Step 5: Solve for x
    x = 6,056,502,520.26/65,129.60
  6. Step 6: Final answer
    x = 92,991.55

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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.