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Finding the Fourth Proportional to 224,660.97, 310,020.59 and 122,666.78

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Solution

The fourth proportional to 224,660.97, 310,020.59 and 122,666.78 is: 169,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,660.97 : 310,020.59 = 122,666.78 : x
  2. Step 2: Convert to fraction form
    224,660.97/310,020.59 = 122,666.78/x
  3. Step 3: Cross multiply
    224,660.97x = 310,020.59 × 122,666.78
  4. Step 4: Simplify right side
    224,660.97x = 38,029,225,345.56
  5. Step 5: Solve for x
    x = 38,029,225,345.56/224,660.97
  6. Step 6: Final answer
    x = 169,273.84

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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.