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Finding the Fourth Proportional to 249,451.59, 344,285.22 and 142,006.71

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Solution

The fourth proportional to 249,451.59, 344,285.22 and 142,006.71 is: 195,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,451.59 : 344,285.22 = 142,006.71 : x
  2. Step 2: Convert to fraction form
    249,451.59/344,285.22 = 142,006.71/x
  3. Step 3: Cross multiply
    249,451.59x = 344,285.22 × 142,006.71
  4. Step 4: Simplify right side
    249,451.59x = 48,890,811,393.83
  5. Step 5: Solve for x
    x = 48,890,811,393.83/249,451.59
  6. Step 6: Final answer
    x = 195,993.18

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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.