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Finding the Fourth Proportional to 249,461.92, 374,226.56 and 80,927.20

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Solution

The fourth proportional to 249,461.92, 374,226.56 and 80,927.20 is: 121,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,461.92 : 374,226.56 = 80,927.20 : x
  2. Step 2: Convert to fraction form
    249,461.92/374,226.56 = 80,927.20/x
  3. Step 3: Cross multiply
    249,461.92x = 374,226.56 × 80,927.20
  4. Step 4: Simplify right side
    249,461.92x = 30,285,107,666.43
  5. Step 5: Solve for x
    x = 30,285,107,666.43/249,461.92
  6. Step 6: Final answer
    x = 121,401.73

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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.