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Finding the Fourth Proportional to 110,855.12, 152,974.32 and 63,108.32

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Solution

The fourth proportional to 110,855.12, 152,974.32 and 63,108.32 is: 87,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855.12 : 152,974.32 = 63,108.32 : x
  2. Step 2: Convert to fraction form
    110,855.12/152,974.32 = 63,108.32/x
  3. Step 3: Cross multiply
    110,855.12x = 152,974.32 × 63,108.32
  4. Step 4: Simplify right side
    110,855.12x = 9,653,952,338.34
  5. Step 5: Solve for x
    x = 9,653,952,338.34/110,855.12
  6. Step 6: Final answer
    x = 87,086.21

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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.