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Finding the Fourth Proportional to 155,590.20, 233,298.90 and 61,990.20

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Solution

The fourth proportional to 155,590.20, 233,298.90 and 61,990.20 is: 92,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,590.20 : 233,298.90 = 61,990.20 : x
  2. Step 2: Convert to fraction form
    155,590.20/233,298.90 = 61,990.20/x
  3. Step 3: Cross multiply
    155,590.20x = 233,298.90 × 61,990.20
  4. Step 4: Simplify right side
    155,590.20x = 14,462,245,470.78
  5. Step 5: Solve for x
    x = 14,462,245,470.78/155,590.20
  6. Step 6: Final answer
    x = 92,950.88

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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.