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Finding the Fourth Proportional to 61,166.64, 84,393.84 and 35,318.82

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Solution

The fourth proportional to 61,166.64, 84,393.84 and 35,318.82 is: 48,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.64 : 84,393.84 = 35,318.82 : x
  2. Step 2: Convert to fraction form
    61,166.64/84,393.84 = 35,318.82/x
  3. Step 3: Cross multiply
    61,166.64x = 84,393.84 × 35,318.82
  4. Step 4: Simplify right side
    61,166.64x = 2,980,690,844.07
  5. Step 5: Solve for x
    x = 2,980,690,844.07/61,166.64
  6. Step 6: Final answer
    x = 48,730.66

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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.