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Finding the Fourth Proportional to 92,203.68, 127,243.60 and 56,393.04

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Solution

The fourth proportional to 92,203.68, 127,243.60 and 56,393.04 is: 77,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,203.68 : 127,243.60 = 56,393.04 : x
  2. Step 2: Convert to fraction form
    92,203.68/127,243.60 = 56,393.04/x
  3. Step 3: Cross multiply
    92,203.68x = 127,243.60 × 56,393.04
  4. Step 4: Simplify right side
    92,203.68x = 7,175,653,424.54
  5. Step 5: Solve for x
    x = 7,175,653,424.54/92,203.68
  6. Step 6: Final answer
    x = 77,823.94

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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.