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Finding the Fourth Proportional to 112,449.20, 168,673.80 and 101,562.80

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Solution

The fourth proportional to 112,449.20, 168,673.80 and 101,562.80 is: 152,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,449.20 : 168,673.80 = 101,562.80 : x
  2. Step 2: Convert to fraction form
    112,449.20/168,673.80 = 101,562.80/x
  3. Step 3: Cross multiply
    112,449.20x = 168,673.80 × 101,562.80
  4. Step 4: Simplify right side
    112,449.20x = 17,130,983,414.64
  5. Step 5: Solve for x
    x = 17,130,983,414.64/112,449.20
  6. Step 6: Final answer
    x = 152,344.20

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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.