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Finding the Fourth Proportional to 92,996.60, 128,332.62 and 52,714.08

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Solution

The fourth proportional to 92,996.60, 128,332.62 and 52,714.08 is: 72,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,996.60 : 128,332.62 = 52,714.08 : x
  2. Step 2: Convert to fraction form
    92,996.60/128,332.62 = 52,714.08/x
  3. Step 3: Cross multiply
    92,996.60x = 128,332.62 × 52,714.08
  4. Step 4: Simplify right side
    92,996.60x = 6,764,935,997.29
  5. Step 5: Solve for x
    x = 6,764,935,997.29/92,996.60
  6. Step 6: Final answer
    x = 72,743.91

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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.