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Finding the Fourth Proportional to 249,373.89, 343,863.81 and 168,661.29

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Solution

The fourth proportional to 249,373.89, 343,863.81 and 168,661.29 is: 232,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,373.89 : 343,863.81 = 168,661.29 : x
  2. Step 2: Convert to fraction form
    249,373.89/343,863.81 = 168,661.29/x
  3. Step 3: Cross multiply
    249,373.89x = 343,863.81 × 168,661.29
  4. Step 4: Simplify right side
    249,373.89x = 57,996,513,778.91
  5. Step 5: Solve for x
    x = 57,996,513,778.91/249,373.89
  6. Step 6: Final answer
    x = 232,568.51

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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.