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Finding the Fourth Proportional to 249,302.50, 343,862.86 and 168,694.54

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Solution

The fourth proportional to 249,302.50, 343,862.86 and 168,694.54 is: 232,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,302.50 : 343,862.86 = 168,694.54 : x
  2. Step 2: Convert to fraction form
    249,302.50/343,862.86 = 168,694.54/x
  3. Step 3: Cross multiply
    249,302.50x = 343,862.86 × 168,694.54
  4. Step 4: Simplify right side
    249,302.50x = 58,007,786,990.78
  5. Step 5: Solve for x
    x = 58,007,786,990.78/249,302.50
  6. Step 6: Final answer
    x = 232,680.33

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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.