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Finding the Fourth Proportional to 106,053.59, 159,195.66 and 42,917.18

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Solution

The fourth proportional to 106,053.59, 159,195.66 and 42,917.18 is: 64,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,053.59 : 159,195.66 = 42,917.18 : x
  2. Step 2: Convert to fraction form
    106,053.59/159,195.66 = 42,917.18/x
  3. Step 3: Cross multiply
    106,053.59x = 159,195.66 × 42,917.18
  4. Step 4: Simplify right side
    106,053.59x = 6,832,228,795.44
  5. Step 5: Solve for x
    x = 6,832,228,795.44/106,053.59
  6. Step 6: Final answer
    x = 64,422.42

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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.