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Finding the Fourth Proportional to 249,807.38, 344,734.25 and 136,630.13

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Solution

The fourth proportional to 249,807.38, 344,734.25 and 136,630.13 is: 188,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,807.38 : 344,734.25 = 136,630.13 : x
  2. Step 2: Convert to fraction form
    249,807.38/344,734.25 = 136,630.13/x
  3. Step 3: Cross multiply
    249,807.38x = 344,734.25 × 136,630.13
  4. Step 4: Simplify right side
    249,807.38x = 47,101,082,986.13
  5. Step 5: Solve for x
    x = 47,101,082,986.13/249,807.38
  6. Step 6: Final answer
    x = 188,549.61

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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.