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Finding the Fourth Proportional to 92,699.87, 127,925.88 and 50,258.57

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Solution

The fourth proportional to 92,699.87, 127,925.88 and 50,258.57 is: 69,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.87 : 127,925.88 = 50,258.57 : x
  2. Step 2: Convert to fraction form
    92,699.87/127,925.88 = 50,258.57/x
  3. Step 3: Cross multiply
    92,699.87x = 127,925.88 × 50,258.57
  4. Step 4: Simplify right side
    92,699.87x = 6,429,371,794.79
  5. Step 5: Solve for x
    x = 6,429,371,794.79/92,699.87
  6. Step 6: Final answer
    x = 69,356.86

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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.