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Finding the Fourth Proportional to 220,756.55, 304,686.02 and 125,272.13

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Solution

The fourth proportional to 220,756.55, 304,686.02 and 125,272.13 is: 172,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,756.55 : 304,686.02 = 125,272.13 : x
  2. Step 2: Convert to fraction form
    220,756.55/304,686.02 = 125,272.13/x
  3. Step 3: Cross multiply
    220,756.55x = 304,686.02 × 125,272.13
  4. Step 4: Simplify right side
    220,756.55x = 38,168,665,496.37
  5. Step 5: Solve for x
    x = 38,168,665,496.37/220,756.55
  6. Step 6: Final answer
    x = 172,899.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.