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Finding the Fourth Proportional to 92,670.64, 127,884.62 and 51,834.28

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Solution

The fourth proportional to 92,670.64, 127,884.62 and 51,834.28 is: 71,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670.64 : 127,884.62 = 51,834.28 : x
  2. Step 2: Convert to fraction form
    92,670.64/127,884.62 = 51,834.28/x
  3. Step 3: Cross multiply
    92,670.64x = 127,884.62 × 51,834.28
  4. Step 4: Simplify right side
    92,670.64x = 6,628,807,200.77
  5. Step 5: Solve for x
    x = 6,628,807,200.77/92,670.64
  6. Step 6: Final answer
    x = 71,530.82

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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.