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Finding the Fourth Proportional to 90,525.44, 125,046.88 and 69,566.72

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Solution

The fourth proportional to 90,525.44, 125,046.88 and 69,566.72 is: 96,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.44 : 125,046.88 = 69,566.72 : x
  2. Step 2: Convert to fraction form
    90,525.44/125,046.88 = 69,566.72/x
  3. Step 3: Cross multiply
    90,525.44x = 125,046.88 × 69,566.72
  4. Step 4: Simplify right side
    90,525.44x = 8,699,101,287.83
  5. Step 5: Solve for x
    x = 8,699,101,287.83/90,525.44
  6. Step 6: Final answer
    x = 96,095.65

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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.