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Finding the Fourth Proportional to 495,950.20, 743,925.30 and 121,973.20

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Solution

The fourth proportional to 495,950.20, 743,925.30 and 121,973.20 is: 182,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,950.20 : 743,925.30 = 121,973.20 : x
  2. Step 2: Convert to fraction form
    495,950.20/743,925.30 = 121,973.20/x
  3. Step 3: Cross multiply
    495,950.20x = 743,925.30 × 121,973.20
  4. Step 4: Simplify right side
    495,950.20x = 90,738,949,401.96
  5. Step 5: Solve for x
    x = 90,738,949,401.96/495,950.20
  6. Step 6: Final answer
    x = 182,959.80

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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.