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Finding the Fourth Proportional to 224,660.42, 310,019.81 and 122,666.20

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Solution

The fourth proportional to 224,660.42, 310,019.81 and 122,666.20 is: 169,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,660.42 : 310,019.81 = 122,666.20 : x
  2. Step 2: Convert to fraction form
    224,660.42/310,019.81 = 122,666.20/x
  3. Step 3: Cross multiply
    224,660.42x = 310,019.81 × 122,666.20
  4. Step 4: Simplify right side
    224,660.42x = 38,028,950,629.04
  5. Step 5: Solve for x
    x = 38,028,950,629.04/224,660.42
  6. Step 6: Final answer
    x = 169,273.03

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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.