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Finding the Fourth Proportional to 249,458.56, 374,200.80 and 124,757.44

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Solution

The fourth proportional to 249,458.56, 374,200.80 and 124,757.44 is: 187,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,458.56 : 374,200.80 = 124,757.44 : x
  2. Step 2: Convert to fraction form
    249,458.56/374,200.80 = 124,757.44/x
  3. Step 3: Cross multiply
    249,458.56x = 374,200.80 × 124,757.44
  4. Step 4: Simplify right side
    249,458.56x = 46,684,333,853.95
  5. Step 5: Solve for x
    x = 46,684,333,853.95/249,458.56
  6. Step 6: Final answer
    x = 187,142.64

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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.