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Finding the Fourth Proportional to 92,299.34, 127,373.15 and 49,857.89

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Solution

The fourth proportional to 92,299.34, 127,373.15 and 49,857.89 is: 68,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,299.34 : 127,373.15 = 49,857.89 : x
  2. Step 2: Convert to fraction form
    92,299.34/127,373.15 = 49,857.89/x
  3. Step 3: Cross multiply
    92,299.34x = 127,373.15 × 49,857.89
  4. Step 4: Simplify right side
    92,299.34x = 6,350,556,501.65
  5. Step 5: Solve for x
    x = 6,350,556,501.65/92,299.34
  6. Step 6: Final answer
    x = 68,803.92

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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.