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Finding the Fourth Proportional to 249,367.92, 344,152.50 and 148,765.92

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Solution

The fourth proportional to 249,367.92, 344,152.50 and 148,765.92 is: 205,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,367.92 : 344,152.50 = 148,765.92 : x
  2. Step 2: Convert to fraction form
    249,367.92/344,152.50 = 148,765.92/x
  3. Step 3: Cross multiply
    249,367.92x = 344,152.50 × 148,765.92
  4. Step 4: Simplify right side
    249,367.92x = 51,198,163,282.80
  5. Step 5: Solve for x
    x = 51,198,163,282.80/249,367.92
  6. Step 6: Final answer
    x = 205,311.75

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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.