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Finding the Fourth Proportional to 112,424.58, 168,603.03 and 92,654.10

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Solution

The fourth proportional to 112,424.58, 168,603.03 and 92,654.10 is: 138,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,424.58 : 168,603.03 = 92,654.10 : x
  2. Step 2: Convert to fraction form
    112,424.58/168,603.03 = 92,654.10/x
  3. Step 3: Cross multiply
    112,424.58x = 168,603.03 × 92,654.10
  4. Step 4: Simplify right side
    112,424.58x = 15,621,762,001.92
  5. Step 5: Solve for x
    x = 15,621,762,001.92/112,424.58
  6. Step 6: Final answer
    x = 138,953.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.