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Finding the Fourth Proportional to 92,303.93, 127,379.42 and 49,862.46

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Solution

The fourth proportional to 92,303.93, 127,379.42 and 49,862.46 is: 68,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,303.93 : 127,379.42 = 49,862.46 : x
  2. Step 2: Convert to fraction form
    92,303.93/127,379.42 = 49,862.46/x
  3. Step 3: Cross multiply
    92,303.93x = 127,379.42 × 49,862.46
  4. Step 4: Simplify right side
    92,303.93x = 6,351,451,502.02
  5. Step 5: Solve for x
    x = 6,351,451,502.02/92,303.93
  6. Step 6: Final answer
    x = 68,810.20

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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.