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Finding the Fourth Proportional to 249,937.44, 374,643.72 and 92,065.20

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Solution

The fourth proportional to 249,937.44, 374,643.72 and 92,065.20 is: 138,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,937.44 : 374,643.72 = 92,065.20 : x
  2. Step 2: Convert to fraction form
    249,937.44/374,643.72 = 92,065.20/x
  3. Step 3: Cross multiply
    249,937.44x = 374,643.72 × 92,065.20
  4. Step 4: Simplify right side
    249,937.44x = 34,491,649,010.54
  5. Step 5: Solve for x
    x = 34,491,649,010.54/249,937.44
  6. Step 6: Final answer
    x = 138,001.13

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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.