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Finding the Fourth Proportional to 249,802.97, 344,728.10 and 136,625.72

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Solution

The fourth proportional to 249,802.97, 344,728.10 and 136,625.72 is: 188,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,802.97 : 344,728.10 = 136,625.72 : x
  2. Step 2: Convert to fraction form
    249,802.97/344,728.10 = 136,625.72/x
  3. Step 3: Cross multiply
    249,802.97x = 344,728.10 × 136,625.72
  4. Step 4: Simplify right side
    249,802.97x = 47,098,725,045.42
  5. Step 5: Solve for x
    x = 47,098,725,045.42/249,802.97
  6. Step 6: Final answer
    x = 188,543.49

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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.