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Finding the Fourth Proportional to 92,702.62, 127,928.86 and 52,424.30

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Solution

The fourth proportional to 92,702.62, 127,928.86 and 52,424.30 is: 72,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.62 : 127,928.86 = 52,424.30 : x
  2. Step 2: Convert to fraction form
    92,702.62/127,928.86 = 52,424.30/x
  3. Step 3: Cross multiply
    92,702.62x = 127,928.86 × 52,424.30
  4. Step 4: Simplify right side
    92,702.62x = 6,706,580,935.30
  5. Step 5: Solve for x
    x = 6,706,580,935.30/92,702.62
  6. Step 6: Final answer
    x = 72,345.11

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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.