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Finding the Fourth Proportional to 245,858.96, 368,854.05 and 88,103.36

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Solution

The fourth proportional to 245,858.96, 368,854.05 and 88,103.36 is: 132,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,858.96 : 368,854.05 = 88,103.36 : x
  2. Step 2: Convert to fraction form
    245,858.96/368,854.05 = 88,103.36/x
  3. Step 3: Cross multiply
    245,858.96x = 368,854.05 × 88,103.36
  4. Step 4: Simplify right side
    245,858.96x = 32,497,282,407.13
  5. Step 5: Solve for x
    x = 32,497,282,407.13/245,858.96
  6. Step 6: Final answer
    x = 132,178.56

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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.