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Finding the Fourth Proportional to 249,019.97, 343,758.87 and 168,691.46

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Solution

The fourth proportional to 249,019.97, 343,758.87 and 168,691.46 is: 232,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,019.97 : 343,758.87 = 168,691.46 : x
  2. Step 2: Convert to fraction form
    249,019.97/343,758.87 = 168,691.46/x
  3. Step 3: Cross multiply
    249,019.97x = 343,758.87 × 168,691.46
  4. Step 4: Simplify right side
    249,019.97x = 57,989,183,949.46
  5. Step 5: Solve for x
    x = 57,989,183,949.46/249,019.97
  6. Step 6: Final answer
    x = 232,869.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.