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Finding the Fourth Proportional to 92,391.79, 127,500.68 and 49,950.31

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Solution

The fourth proportional to 92,391.79, 127,500.68 and 49,950.31 is: 68,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.79 : 127,500.68 = 49,950.31 : x
  2. Step 2: Convert to fraction form
    92,391.79/127,500.68 = 49,950.31/x
  3. Step 3: Cross multiply
    92,391.79x = 127,500.68 × 49,950.31
  4. Step 4: Simplify right side
    92,391.79x = 6,368,698,491.21
  5. Step 5: Solve for x
    x = 6,368,698,491.21/92,391.79
  6. Step 6: Final answer
    x = 68,931.43

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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.