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Finding the Fourth Proportional to 96,462.60, 144,854.46 and 65,074.68

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Solution

The fourth proportional to 96,462.60, 144,854.46 and 65,074.68 is: 97,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,462.60 : 144,854.46 = 65,074.68 : x
  2. Step 2: Convert to fraction form
    96,462.60/144,854.46 = 65,074.68/x
  3. Step 3: Cross multiply
    96,462.60x = 144,854.46 × 65,074.68
  4. Step 4: Simplify right side
    96,462.60x = 9,426,357,631.07
  5. Step 5: Solve for x
    x = 9,426,357,631.07/96,462.60
  6. Step 6: Final answer
    x = 97,720.34

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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.