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Finding the Fourth Proportional to 108,651.60, 162,977.40 and 95,529.60

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Solution

The fourth proportional to 108,651.60, 162,977.40 and 95,529.60 is: 143,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,651.60 : 162,977.40 = 95,529.60 : x
  2. Step 2: Convert to fraction form
    108,651.60/162,977.40 = 95,529.60/x
  3. Step 3: Cross multiply
    108,651.60x = 162,977.40 × 95,529.60
  4. Step 4: Simplify right side
    108,651.60x = 15,569,165,831.04
  5. Step 5: Solve for x
    x = 15,569,165,831.04/108,651.60
  6. Step 6: Final answer
    x = 143,294.40

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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.