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Finding the Fourth Proportional to 92,392.25, 127,501.31 and 49,950.78

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Solution

The fourth proportional to 92,392.25, 127,501.31 and 49,950.78 is: 68,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,392.25 : 127,501.31 = 49,950.78 : x
  2. Step 2: Convert to fraction form
    92,392.25/127,501.31 = 49,950.78/x
  3. Step 3: Cross multiply
    92,392.25x = 127,501.31 × 49,950.78
  4. Step 4: Simplify right side
    92,392.25x = 6,368,789,635.77
  5. Step 5: Solve for x
    x = 6,368,789,635.77/92,392.25
  6. Step 6: Final answer
    x = 68,932.08

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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.