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Finding the Fourth Proportional to 120,610.05, 180,931.10 and 44,698.08

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Solution

The fourth proportional to 120,610.05, 180,931.10 and 44,698.08 is: 67,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.05 : 180,931.10 = 44,698.08 : x
  2. Step 2: Convert to fraction form
    120,610.05/180,931.10 = 44,698.08/x
  3. Step 3: Cross multiply
    120,610.05x = 180,931.10 × 44,698.08
  4. Step 4: Simplify right side
    120,610.05x = 8,087,272,558.80
  5. Step 5: Solve for x
    x = 8,087,272,558.80/120,610.05
  6. Step 6: Final answer
    x = 67,053.06

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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.