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Finding the Fourth Proportional to 97,707.60, 146,542.20 and 32,043.60

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Solution

The fourth proportional to 97,707.60, 146,542.20 and 32,043.60 is: 48,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,707.60 : 146,542.20 = 32,043.60 : x
  2. Step 2: Convert to fraction form
    97,707.60/146,542.20 = 32,043.60/x
  3. Step 3: Cross multiply
    97,707.60x = 146,542.20 × 32,043.60
  4. Step 4: Simplify right side
    97,707.60x = 4,695,739,639.92
  5. Step 5: Solve for x
    x = 4,695,739,639.92/97,707.60
  6. Step 6: Final answer
    x = 48,059.10

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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.