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Finding the Fourth Proportional to 112,357.92, 155,040.72 and 62,053.92

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Solution

The fourth proportional to 112,357.92, 155,040.72 and 62,053.92 is: 85,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,357.92 : 155,040.72 = 62,053.92 : x
  2. Step 2: Convert to fraction form
    112,357.92/155,040.72 = 62,053.92/x
  3. Step 3: Cross multiply
    112,357.92x = 155,040.72 × 62,053.92
  4. Step 4: Simplify right side
    112,357.92x = 9,620,884,435.62
  5. Step 5: Solve for x
    x = 9,620,884,435.62/112,357.92
  6. Step 6: Final answer
    x = 85,627.11

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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.