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Finding the Fourth Proportional to 225,040.02, 310,554.45 and 124,438.02

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Solution

The fourth proportional to 225,040.02, 310,554.45 and 124,438.02 is: 171,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,040.02 : 310,554.45 = 124,438.02 : x
  2. Step 2: Convert to fraction form
    225,040.02/310,554.45 = 124,438.02/x
  3. Step 3: Cross multiply
    225,040.02x = 310,554.45 × 124,438.02
  4. Step 4: Simplify right side
    225,040.02x = 38,644,780,860.19
  5. Step 5: Solve for x
    x = 38,644,780,860.19/225,040.02
  6. Step 6: Final answer
    x = 171,724.04

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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.