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Finding the Fourth Proportional to 249,481.92, 374,210.73 and 91,700.40

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Solution

The fourth proportional to 249,481.92, 374,210.73 and 91,700.40 is: 137,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,481.92 : 374,210.73 = 91,700.40 : x
  2. Step 2: Convert to fraction form
    249,481.92/374,210.73 = 91,700.40/x
  3. Step 3: Cross multiply
    249,481.92x = 374,210.73 × 91,700.40
  4. Step 4: Simplify right side
    249,481.92x = 34,315,273,625.29
  5. Step 5: Solve for x
    x = 34,315,273,625.29/249,481.92
  6. Step 6: Final answer
    x = 137,546.13

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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.