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Finding the Fourth Proportional to 83,097.10, 124,645.65 and 73,911.70

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Solution

The fourth proportional to 83,097.10, 124,645.65 and 73,911.70 is: 110,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,097.10 : 124,645.65 = 73,911.70 : x
  2. Step 2: Convert to fraction form
    83,097.10/124,645.65 = 73,911.70/x
  3. Step 3: Cross multiply
    83,097.10x = 124,645.65 × 73,911.70
  4. Step 4: Simplify right side
    83,097.10x = 9,212,771,889.11
  5. Step 5: Solve for x
    x = 9,212,771,889.11/83,097.10
  6. Step 6: Final answer
    x = 110,867.55

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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.