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Finding the Fourth Proportional to 225,071.48, 310,586.46 and 124,463

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Solution

The fourth proportional to 225,071.48, 310,586.46 and 124,463 is: 171,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,071.48 : 310,586.46 = 124,463 : x
  2. Step 2: Convert to fraction form
    225,071.48/310,586.46 = 124,463/x
  3. Step 3: Cross multiply
    225,071.48x = 310,586.46 × 124,463
  4. Step 4: Simplify right side
    225,071.48x = 38,656,522,570.98
  5. Step 5: Solve for x
    x = 38,656,522,570.98/225,071.48
  6. Step 6: Final answer
    x = 171,752.20

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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.