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Finding the Fourth Proportional to 98,574.60, 147,861.90 and 36,232.20

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Solution

The fourth proportional to 98,574.60, 147,861.90 and 36,232.20 is: 54,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,574.60 : 147,861.90 = 36,232.20 : x
  2. Step 2: Convert to fraction form
    98,574.60/147,861.90 = 36,232.20/x
  3. Step 3: Cross multiply
    98,574.60x = 147,861.90 × 36,232.20
  4. Step 4: Simplify right side
    98,574.60x = 5,357,361,933.18
  5. Step 5: Solve for x
    x = 5,357,361,933.18/98,574.60
  6. Step 6: Final answer
    x = 54,348.30

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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.