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Finding the Fourth Proportional to 99,098.88, 148,671.02 and 42,948.41

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Solution

The fourth proportional to 99,098.88, 148,671.02 and 42,948.41 is: 64,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.88 : 148,671.02 = 42,948.41 : x
  2. Step 2: Convert to fraction form
    99,098.88/148,671.02 = 42,948.41/x
  3. Step 3: Cross multiply
    99,098.88x = 148,671.02 × 42,948.41
  4. Step 4: Simplify right side
    99,098.88x = 6,385,182,963.98
  5. Step 5: Solve for x
    x = 6,385,182,963.98/99,098.88
  6. Step 6: Final answer
    x = 64,432.44

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1.5x scale

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.