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Finding the Fourth Proportional to 91,175.67, 136,763.54 and 24,615.74

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Solution

The fourth proportional to 91,175.67, 136,763.54 and 24,615.74 is: 36,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.67 : 136,763.54 = 24,615.74 : x
  2. Step 2: Convert to fraction form
    91,175.67/136,763.54 = 24,615.74/x
  3. Step 3: Cross multiply
    91,175.67x = 136,763.54 × 24,615.74
  4. Step 4: Simplify right side
    91,175.67x = 3,366,534,935.22
  5. Step 5: Solve for x
    x = 3,366,534,935.22/91,175.67
  6. Step 6: Final answer
    x = 36,923.61

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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.