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Finding the Fourth Proportional to 92,383.76, 127,479.72 and 52,096.64

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Solution

The fourth proportional to 92,383.76, 127,479.72 and 52,096.64 is: 71,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,383.76 : 127,479.72 = 52,096.64 : x
  2. Step 2: Convert to fraction form
    92,383.76/127,479.72 = 52,096.64/x
  3. Step 3: Cross multiply
    92,383.76x = 127,479.72 × 52,096.64
  4. Step 4: Simplify right side
    92,383.76x = 6,641,265,080.14
  5. Step 5: Solve for x
    x = 6,641,265,080.14/92,383.76
  6. Step 6: Final answer
    x = 71,887.80

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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.