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Finding the Fourth Proportional to 90,697.93, 125,162.31 and 50,410.65

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Solution

The fourth proportional to 90,697.93, 125,162.31 and 50,410.65 is: 69,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697.93 : 125,162.31 = 50,410.65 : x
  2. Step 2: Convert to fraction form
    90,697.93/125,162.31 = 50,410.65/x
  3. Step 3: Cross multiply
    90,697.93x = 125,162.31 × 50,410.65
  4. Step 4: Simplify right side
    90,697.93x = 6,309,514,061.00
  5. Step 5: Solve for x
    x = 6,309,514,061.00/90,697.93
  6. Step 6: Final answer
    x = 69,566.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.