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Finding the Fourth Proportional to 110,860.12, 152,981.22 and 63,113.32

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Solution

The fourth proportional to 110,860.12, 152,981.22 and 63,113.32 is: 87,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,860.12 : 152,981.22 = 63,113.32 : x
  2. Step 2: Convert to fraction form
    110,860.12/152,981.22 = 63,113.32/x
  3. Step 3: Cross multiply
    110,860.12x = 152,981.22 × 63,113.32
  4. Step 4: Simplify right side
    110,860.12x = 9,655,152,691.85
  5. Step 5: Solve for x
    x = 9,655,152,691.85/110,860.12
  6. Step 6: Final answer
    x = 87,093.11

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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.