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Finding the Fourth Proportional to 249,554.91, 344,385.92 and 136,377.66

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Solution

The fourth proportional to 249,554.91, 344,385.92 and 136,377.66 is: 188,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,554.91 : 344,385.92 = 136,377.66 : x
  2. Step 2: Convert to fraction form
    249,554.91/344,385.92 = 136,377.66/x
  3. Step 3: Cross multiply
    249,554.91x = 344,385.92 × 136,377.66
  4. Step 4: Simplify right side
    249,554.91x = 46,966,545,906.55
  5. Step 5: Solve for x
    x = 46,966,545,906.55/249,554.91
  6. Step 6: Final answer
    x = 188,201.25

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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.