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Finding the Fourth Proportional to 65,446.55, 98,090.46 and 29,859.12

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Solution

The fourth proportional to 65,446.55, 98,090.46 and 29,859.12 is: 44,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.55 : 98,090.46 = 29,859.12 : x
  2. Step 2: Convert to fraction form
    65,446.55/98,090.46 = 29,859.12/x
  3. Step 3: Cross multiply
    65,446.55x = 98,090.46 × 29,859.12
  4. Step 4: Simplify right side
    65,446.55x = 2,928,894,816.00
  5. Step 5: Solve for x
    x = 2,928,894,816.00/65,446.55
  6. Step 6: Final answer
    x = 44,752.47

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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.