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Finding the Fourth Proportional to 377,856.55, 566,859.57 and 107,987.11

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Solution

The fourth proportional to 377,856.55, 566,859.57 and 107,987.11 is: 162,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,856.55 : 566,859.57 = 107,987.11 : x
  2. Step 2: Convert to fraction form
    377,856.55/566,859.57 = 107,987.11/x
  3. Step 3: Cross multiply
    377,856.55x = 566,859.57 × 107,987.11
  4. Step 4: Simplify right side
    377,856.55x = 61,213,526,740.14
  5. Step 5: Solve for x
    x = 61,213,526,740.14/377,856.55
  6. Step 6: Final answer
    x = 162,002.03

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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.