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Finding the Fourth Proportional to 99,098.64, 148,673.88 and 57,510

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Solution

The fourth proportional to 99,098.64, 148,673.88 and 57,510 is: 86,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.64 : 148,673.88 = 57,510 : x
  2. Step 2: Convert to fraction form
    99,098.64/148,673.88 = 57,510/x
  3. Step 3: Cross multiply
    99,098.64x = 148,673.88 × 57,510
  4. Step 4: Simplify right side
    99,098.64x = 8,550,234,838.80
  5. Step 5: Solve for x
    x = 8,550,234,838.80/99,098.64
  6. Step 6: Final answer
    x = 86,280.04

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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.