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Finding the Fourth Proportional to 169,252.40, 254,063.28 and 124,741.28

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Solution

The fourth proportional to 169,252.40, 254,063.28 and 124,741.28 is: 187,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,252.40 : 254,063.28 = 124,741.28 : x
  2. Step 2: Convert to fraction form
    169,252.40/254,063.28 = 124,741.28/x
  3. Step 3: Cross multiply
    169,252.40x = 254,063.28 × 124,741.28
  4. Step 4: Simplify right side
    169,252.40x = 31,692,178,748.20
  5. Step 5: Solve for x
    x = 31,692,178,748.20/169,252.40
  6. Step 6: Final answer
    x = 187,248.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.