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Finding the Fourth Proportional to 73,404.30, 110,106.45 and 72,713.10

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Solution

The fourth proportional to 73,404.30, 110,106.45 and 72,713.10 is: 109,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,404.30 : 110,106.45 = 72,713.10 : x
  2. Step 2: Convert to fraction form
    73,404.30/110,106.45 = 72,713.10/x
  3. Step 3: Cross multiply
    73,404.30x = 110,106.45 × 72,713.10
  4. Step 4: Simplify right side
    73,404.30x = 8,006,181,309.50
  5. Step 5: Solve for x
    x = 8,006,181,309.50/73,404.30
  6. Step 6: Final answer
    x = 109,069.65

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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.