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Finding the Fourth Proportional to 155,596.20, 233,307.90 and 61,996.20

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Solution

The fourth proportional to 155,596.20, 233,307.90 and 61,996.20 is: 92,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,596.20 : 233,307.90 = 61,996.20 : x
  2. Step 2: Convert to fraction form
    155,596.20/233,307.90 = 61,996.20/x
  3. Step 3: Cross multiply
    155,596.20x = 233,307.90 × 61,996.20
  4. Step 4: Simplify right side
    155,596.20x = 14,464,203,229.98
  5. Step 5: Solve for x
    x = 14,464,203,229.98/155,596.20
  6. Step 6: Final answer
    x = 92,959.87

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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.