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Finding the Fourth Proportional to 92,714.51, 127,948.55 and 52,434.29

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Solution

The fourth proportional to 92,714.51, 127,948.55 and 52,434.29 is: 72,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,714.51 : 127,948.55 = 52,434.29 : x
  2. Step 2: Convert to fraction form
    92,714.51/127,948.55 = 52,434.29/x
  3. Step 3: Cross multiply
    92,714.51x = 127,948.55 × 52,434.29
  4. Step 4: Simplify right side
    92,714.51x = 6,708,891,433.48
  5. Step 5: Solve for x
    x = 6,708,891,433.48/92,714.51
  6. Step 6: Final answer
    x = 72,360.75

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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.