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Finding the Fourth Proportional to 90,950.58, 136,392.62 and 34,762.91

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Solution

The fourth proportional to 90,950.58, 136,392.62 and 34,762.91 is: 52,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950.58 : 136,392.62 = 34,762.91 : x
  2. Step 2: Convert to fraction form
    90,950.58/136,392.62 = 34,762.91/x
  3. Step 3: Cross multiply
    90,950.58x = 136,392.62 × 34,762.91
  4. Step 4: Simplify right side
    90,950.58x = 4,741,403,517.95
  5. Step 5: Solve for x
    x = 4,741,403,517.95/90,950.58
  6. Step 6: Final answer
    x = 52,131.65

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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.