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Finding the Fourth Proportional to 92,702.19, 127,929.30 and 50,260.74

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Solution

The fourth proportional to 92,702.19, 127,929.30 and 50,260.74 is: 69,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.19 : 127,929.30 = 50,260.74 : x
  2. Step 2: Convert to fraction form
    92,702.19/127,929.30 = 50,260.74/x
  3. Step 3: Cross multiply
    92,702.19x = 127,929.30 × 50,260.74
  4. Step 4: Simplify right side
    92,702.19x = 6,429,821,285.68
  5. Step 5: Solve for x
    x = 6,429,821,285.68/92,702.19
  6. Step 6: Final answer
    x = 69,359.97

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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.