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Finding the Fourth Proportional to 79,014.60, 109,050.17 and 45,035.30

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Solution

The fourth proportional to 79,014.60, 109,050.17 and 45,035.30 is: 62,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.60 : 109,050.17 = 45,035.30 : x
  2. Step 2: Convert to fraction form
    79,014.60/109,050.17 = 45,035.30/x
  3. Step 3: Cross multiply
    79,014.60x = 109,050.17 × 45,035.30
  4. Step 4: Simplify right side
    79,014.60x = 4,911,107,121.00
  5. Step 5: Solve for x
    x = 4,911,107,121.00/79,014.60
  6. Step 6: Final answer
    x = 62,154.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.