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Finding the Fourth Proportional to 249,573.64, 344,472.81 and 142,206.92

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Solution

The fourth proportional to 249,573.64, 344,472.81 and 142,206.92 is: 196,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,573.64 : 344,472.81 = 142,206.92 : x
  2. Step 2: Convert to fraction form
    249,573.64/344,472.81 = 142,206.92/x
  3. Step 3: Cross multiply
    249,573.64x = 344,472.81 × 142,206.92
  4. Step 4: Simplify right side
    249,573.64x = 48,986,417,333.85
  5. Step 5: Solve for x
    x = 48,986,417,333.85/249,573.64
  6. Step 6: Final answer
    x = 196,280.41

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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.