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Finding the Fourth Proportional to 65,445.68, 98,030.60 and 29,936.90

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Solution

The fourth proportional to 65,445.68, 98,030.60 and 29,936.90 is: 44,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,445.68 : 98,030.60 = 29,936.90 : x
  2. Step 2: Convert to fraction form
    65,445.68/98,030.60 = 29,936.90/x
  3. Step 3: Cross multiply
    65,445.68x = 98,030.60 × 29,936.90
  4. Step 4: Simplify right side
    65,445.68x = 2,934,732,269.14
  5. Step 5: Solve for x
    x = 2,934,732,269.14/65,445.68
  6. Step 6: Final answer
    x = 44,842.26

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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.