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Finding the Fourth Proportional to 155,454.80, 233,278.20 and 61,950.80

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Solution

The fourth proportional to 155,454.80, 233,278.20 and 61,950.80 is: 92,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,454.80 : 233,278.20 = 61,950.80 : x
  2. Step 2: Convert to fraction form
    155,454.80/233,278.20 = 61,950.80/x
  3. Step 3: Cross multiply
    155,454.80x = 233,278.20 × 61,950.80
  4. Step 4: Simplify right side
    155,454.80x = 14,451,771,112.56
  5. Step 5: Solve for x
    x = 14,451,771,112.56/155,454.80
  6. Step 6: Final answer
    x = 92,964.46

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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.