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Finding the Fourth Proportional to 73,116.70, 109,675.05 and 49,497.10

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Solution

The fourth proportional to 73,116.70, 109,675.05 and 49,497.10 is: 74,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.70 : 109,675.05 = 49,497.10 : x
  2. Step 2: Convert to fraction form
    73,116.70/109,675.05 = 49,497.10/x
  3. Step 3: Cross multiply
    73,116.70x = 109,675.05 × 49,497.10
  4. Step 4: Simplify right side
    73,116.70x = 5,428,596,917.36
  5. Step 5: Solve for x
    x = 5,428,596,917.36/73,116.70
  6. Step 6: Final answer
    x = 74,245.65

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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.