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Finding the Fourth Proportional to 223,360.64, 307,919.04 and 159,675.20

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Solution

The fourth proportional to 223,360.64, 307,919.04 and 159,675.20 is: 220,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,360.64 : 307,919.04 = 159,675.20 : x
  2. Step 2: Convert to fraction form
    223,360.64/307,919.04 = 159,675.20/x
  3. Step 3: Cross multiply
    223,360.64x = 307,919.04 × 159,675.20
  4. Step 4: Simplify right side
    223,360.64x = 49,167,034,295.81
  5. Step 5: Solve for x
    x = 49,167,034,295.81/223,360.64
  6. Step 6: Final answer
    x = 220,123.99

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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.