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Finding the Fourth Proportional to 92,513.39, 127,671.57 and 56,696.48

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Solution

The fourth proportional to 92,513.39, 127,671.57 and 56,696.48 is: 78,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.39 : 127,671.57 = 56,696.48 : x
  2. Step 2: Convert to fraction form
    92,513.39/127,671.57 = 56,696.48/x
  3. Step 3: Cross multiply
    92,513.39x = 127,671.57 × 56,696.48
  4. Step 4: Simplify right side
    92,513.39x = 7,238,527,693.23
  5. Step 5: Solve for x
    x = 7,238,527,693.23/92,513.39
  6. Step 6: Final answer
    x = 78,243.03

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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.