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Finding the Fourth Proportional to 92,340, 127,429.20 and 52,596

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Solution

The fourth proportional to 92,340, 127,429.20 and 52,596 is: 72,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,340 : 127,429.20 = 52,596 : x
  2. Step 2: Convert to fraction form
    92,340/127,429.20 = 52,596/x
  3. Step 3: Cross multiply
    92,340x = 127,429.20 × 52,596
  4. Step 4: Simplify right side
    92,340x = 6,702,266,203.20
  5. Step 5: Solve for x
    x = 6,702,266,203.20/92,340
  6. Step 6: Final answer
    x = 72,582.48

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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.