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Finding the Fourth Proportional to 99,532.60, 149,298.90 and 29,410.90

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Solution

The fourth proportional to 99,532.60, 149,298.90 and 29,410.90 is: 44,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,532.60 : 149,298.90 = 29,410.90 : x
  2. Step 2: Convert to fraction form
    99,532.60/149,298.90 = 29,410.90/x
  3. Step 3: Cross multiply
    99,532.60x = 149,298.90 × 29,410.90
  4. Step 4: Simplify right side
    99,532.60x = 4,391,015,018.01
  5. Step 5: Solve for x
    x = 4,391,015,018.01/99,532.60
  6. Step 6: Final answer
    x = 44,116.35

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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.