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Finding the Fourth Proportional to 110,309.52, 152,228.40 and 82,665.28

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Solution

The fourth proportional to 110,309.52, 152,228.40 and 82,665.28 is: 114,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.52 : 152,228.40 = 82,665.28 : x
  2. Step 2: Convert to fraction form
    110,309.52/152,228.40 = 82,665.28/x
  3. Step 3: Cross multiply
    110,309.52x = 152,228.40 × 82,665.28
  4. Step 4: Simplify right side
    110,309.52x = 12,584,003,309.95
  5. Step 5: Solve for x
    x = 12,584,003,309.95/110,309.52
  6. Step 6: Final answer
    x = 114,079.03

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1.5x scale

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.