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Finding the Fourth Proportional to 99,098.60, 148,647.90 and 59,635.40

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Solution

The fourth proportional to 99,098.60, 148,647.90 and 59,635.40 is: 89,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.60 : 148,647.90 = 59,635.40 : x
  2. Step 2: Convert to fraction form
    99,098.60/148,647.90 = 59,635.40/x
  3. Step 3: Cross multiply
    99,098.60x = 148,647.90 × 59,635.40
  4. Step 4: Simplify right side
    99,098.60x = 8,864,676,975.66
  5. Step 5: Solve for x
    x = 8,864,676,975.66/99,098.60
  6. Step 6: Final answer
    x = 89,453.10

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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.