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Finding the Fourth Proportional to 249,472.59, 344,272.51 and 142,042.68

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Solution

The fourth proportional to 249,472.59, 344,272.51 and 142,042.68 is: 196,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,472.59 : 344,272.51 = 142,042.68 : x
  2. Step 2: Convert to fraction form
    249,472.59/344,272.51 = 142,042.68/x
  3. Step 3: Cross multiply
    249,472.59x = 344,272.51 × 142,042.68
  4. Step 4: Simplify right side
    249,472.59x = 48,901,389,970.73
  5. Step 5: Solve for x
    x = 48,901,389,970.73/249,472.59
  6. Step 6: Final answer
    x = 196,019.09

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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.