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Finding the Fourth Proportional to 262,002.60, 393,003.90 and 75,014.10

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Solution

The fourth proportional to 262,002.60, 393,003.90 and 75,014.10 is: 112,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,002.60 : 393,003.90 = 75,014.10 : x
  2. Step 2: Convert to fraction form
    262,002.60/393,003.90 = 75,014.10/x
  3. Step 3: Cross multiply
    262,002.60x = 393,003.90 × 75,014.10
  4. Step 4: Simplify right side
    262,002.60x = 29,480,833,854.99
  5. Step 5: Solve for x
    x = 29,480,833,854.99/262,002.60
  6. Step 6: Final answer
    x = 112,521.15

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Similar ratio
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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.