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Finding the Fourth Proportional to 92,295.87, 127,368.29 and 49,854.40

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Solution

The fourth proportional to 92,295.87, 127,368.29 and 49,854.40 is: 68,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,295.87 : 127,368.29 = 49,854.40 : x
  2. Step 2: Convert to fraction form
    92,295.87/127,368.29 = 49,854.40/x
  3. Step 3: Cross multiply
    92,295.87x = 127,368.29 × 49,854.40
  4. Step 4: Simplify right side
    92,295.87x = 6,349,869,676.98
  5. Step 5: Solve for x
    x = 6,349,869,676.98/92,295.87
  6. Step 6: Final answer
    x = 68,799.07

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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.