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Finding the Fourth Proportional to 249,801.97, 344,726.72 and 136,624.72

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Solution

The fourth proportional to 249,801.97, 344,726.72 and 136,624.72 is: 188,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,801.97 : 344,726.72 = 136,624.72 : x
  2. Step 2: Convert to fraction form
    249,801.97/344,726.72 = 136,624.72/x
  3. Step 3: Cross multiply
    249,801.97x = 344,726.72 × 136,624.72
  4. Step 4: Simplify right side
    249,801.97x = 47,098,190,913.39
  5. Step 5: Solve for x
    x = 47,098,190,913.39/249,801.97
  6. Step 6: Final answer
    x = 188,542.11

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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.