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Finding the Fourth Proportional to 249,627.88, 374,589.78 and 91,966.96

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Solution

The fourth proportional to 249,627.88, 374,589.78 and 91,966.96 is: 138,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,627.88 : 374,589.78 = 91,966.96 : x
  2. Step 2: Convert to fraction form
    249,627.88/374,589.78 = 91,966.96/x
  3. Step 3: Cross multiply
    249,627.88x = 374,589.78 × 91,966.96
  4. Step 4: Simplify right side
    249,627.88x = 34,449,883,313.67
  5. Step 5: Solve for x
    x = 34,449,883,313.67/249,627.88
  6. Step 6: Final answer
    x = 138,004.95

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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.