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Finding the Fourth Proportional to 132,467.20, 198,700.80 and 62,483.20

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Solution

The fourth proportional to 132,467.20, 198,700.80 and 62,483.20 is: 93,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,467.20 : 198,700.80 = 62,483.20 : x
  2. Step 2: Convert to fraction form
    132,467.20/198,700.80 = 62,483.20/x
  3. Step 3: Cross multiply
    132,467.20x = 198,700.80 × 62,483.20
  4. Step 4: Simplify right side
    132,467.20x = 12,415,461,826.56
  5. Step 5: Solve for x
    x = 12,415,461,826.56/132,467.20
  6. Step 6: Final answer
    x = 93,724.80

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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.