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Finding the Fourth Proportional to 67,497.60, 101,246.40 and 45,379.20

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Solution

The fourth proportional to 67,497.60, 101,246.40 and 45,379.20 is: 68,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.60 : 101,246.40 = 45,379.20 : x
  2. Step 2: Convert to fraction form
    67,497.60/101,246.40 = 45,379.20/x
  3. Step 3: Cross multiply
    67,497.60x = 101,246.40 × 45,379.20
  4. Step 4: Simplify right side
    67,497.60x = 4,594,480,634.88
  5. Step 5: Solve for x
    x = 4,594,480,634.88/67,497.60
  6. Step 6: Final answer
    x = 68,068.80

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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.