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Finding the Fourth Proportional to 249,650.92, 374,476.38 and 83,438.92

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Solution

The fourth proportional to 249,650.92, 374,476.38 and 83,438.92 is: 125,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,650.92 : 374,476.38 = 83,438.92 : x
  2. Step 2: Convert to fraction form
    249,650.92/374,476.38 = 83,438.92/x
  3. Step 3: Cross multiply
    249,650.92x = 374,476.38 × 83,438.92
  4. Step 4: Simplify right side
    249,650.92x = 31,245,904,712.71
  5. Step 5: Solve for x
    x = 31,245,904,712.71/249,650.92
  6. Step 6: Final answer
    x = 125,158.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.