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Finding the Fourth Proportional to 249,634.88, 374,452.32 and 83,422.88

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Solution

The fourth proportional to 249,634.88, 374,452.32 and 83,422.88 is: 125,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,634.88 : 374,452.32 = 83,422.88 : x
  2. Step 2: Convert to fraction form
    249,634.88/374,452.32 = 83,422.88/x
  3. Step 3: Cross multiply
    249,634.88x = 374,452.32 × 83,422.88
  4. Step 4: Simplify right side
    249,634.88x = 31,237,889,084.82
  5. Step 5: Solve for x
    x = 31,237,889,084.82/249,634.88
  6. Step 6: Final answer
    x = 125,134.32

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1.5x scale

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.