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Finding the Fourth Proportional to 110,822.40, 152,776.80 and 68,352.48

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Solution

The fourth proportional to 110,822.40, 152,776.80 and 68,352.48 is: 94,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,822.40 : 152,776.80 = 68,352.48 : x
  2. Step 2: Convert to fraction form
    110,822.40/152,776.80 = 68,352.48/x
  3. Step 3: Cross multiply
    110,822.40x = 152,776.80 × 68,352.48
  4. Step 4: Simplify right side
    110,822.40x = 10,442,673,166.46
  5. Step 5: Solve for x
    x = 10,442,673,166.46/110,822.40
  6. Step 6: Final answer
    x = 94,228.90

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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.