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Finding the Fourth Proportional to 67,232.60, 100,848.90 and 45,114.20

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Solution

The fourth proportional to 67,232.60, 100,848.90 and 45,114.20 is: 67,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232.60 : 100,848.90 = 45,114.20 : x
  2. Step 2: Convert to fraction form
    67,232.60/100,848.90 = 45,114.20/x
  3. Step 3: Cross multiply
    67,232.60x = 100,848.90 × 45,114.20
  4. Step 4: Simplify right side
    67,232.60x = 4,549,717,444.38
  5. Step 5: Solve for x
    x = 4,549,717,444.38/67,232.60
  6. Step 6: Final answer
    x = 67,671.30

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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.