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Finding the Fourth Proportional to 97,410.60, 146,115.90 and 88,655.40

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Solution

The fourth proportional to 97,410.60, 146,115.90 and 88,655.40 is: 132,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,410.60 : 146,115.90 = 88,655.40 : x
  2. Step 2: Convert to fraction form
    97,410.60/146,115.90 = 88,655.40/x
  3. Step 3: Cross multiply
    97,410.60x = 146,115.90 × 88,655.40
  4. Step 4: Simplify right side
    97,410.60x = 12,953,963,560.86
  5. Step 5: Solve for x
    x = 12,953,963,560.86/97,410.60
  6. Step 6: Final answer
    x = 132,983.10

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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.