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Finding the Fourth Proportional to 99,414.70, 148,927.65 and 59,854.30

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Solution

The fourth proportional to 99,414.70, 148,927.65 and 59,854.30 is: 89,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.70 : 148,927.65 = 59,854.30 : x
  2. Step 2: Convert to fraction form
    99,414.70/148,927.65 = 59,854.30/x
  3. Step 3: Cross multiply
    99,414.70x = 148,927.65 × 59,854.30
  4. Step 4: Simplify right side
    99,414.70x = 8,913,960,241.40
  5. Step 5: Solve for x
    x = 8,913,960,241.40/99,414.70
  6. Step 6: Final answer
    x = 89,664.41

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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.