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Finding the Fourth Proportional to 224,617.92, 309,973.80 and 122,645.46

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Solution

The fourth proportional to 224,617.92, 309,973.80 and 122,645.46 is: 169,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,617.92 : 309,973.80 = 122,645.46 : x
  2. Step 2: Convert to fraction form
    224,617.92/309,973.80 = 122,645.46/x
  3. Step 3: Cross multiply
    224,617.92x = 309,973.80 × 122,645.46
  4. Step 4: Simplify right side
    224,617.92x = 38,016,879,288.95
  5. Step 5: Solve for x
    x = 38,016,879,288.95/224,617.92
  6. Step 6: Final answer
    x = 169,251.32

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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.