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Finding the Fourth Proportional to 59,112.74, 88,621.22 and 40,345.56

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Solution

The fourth proportional to 59,112.74, 88,621.22 and 40,345.56 is: 60,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,112.74 : 88,621.22 = 40,345.56 : x
  2. Step 2: Convert to fraction form
    59,112.74/88,621.22 = 40,345.56/x
  3. Step 3: Cross multiply
    59,112.74x = 88,621.22 × 40,345.56
  4. Step 4: Simplify right side
    59,112.74x = 3,575,472,849.65
  5. Step 5: Solve for x
    x = 3,575,472,849.65/59,112.74
  6. Step 6: Final answer
    x = 60,485.65

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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.