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Finding the Fourth Proportional to 93,421.80, 140,132.70 and 88,367.40

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Solution

The fourth proportional to 93,421.80, 140,132.70 and 88,367.40 is: 132,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.80 : 140,132.70 = 88,367.40 : x
  2. Step 2: Convert to fraction form
    93,421.80/140,132.70 = 88,367.40/x
  3. Step 3: Cross multiply
    93,421.80x = 140,132.70 × 88,367.40
  4. Step 4: Simplify right side
    93,421.80x = 12,383,162,353.98
  5. Step 5: Solve for x
    x = 12,383,162,353.98/93,421.80
  6. Step 6: Final answer
    x = 132,551.10

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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.