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Finding the Fourth Proportional to 112,596, 155,383.56 and 62,296.08

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Solution

The fourth proportional to 112,596, 155,383.56 and 62,296.08 is: 85,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,596 : 155,383.56 = 62,296.08 : x
  2. Step 2: Convert to fraction form
    112,596/155,383.56 = 62,296.08/x
  3. Step 3: Cross multiply
    112,596x = 155,383.56 × 62,296.08
  4. Step 4: Simplify right side
    112,596x = 9,679,786,684.44
  5. Step 5: Solve for x
    x = 9,679,786,684.44/112,596
  6. Step 6: Final answer
    x = 85,969.19

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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.