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Finding the Fourth Proportional to 230,956.58, 318,650.43 and 134,141.77

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Solution

The fourth proportional to 230,956.58, 318,650.43 and 134,141.77 is: 185,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,956.58 : 318,650.43 = 134,141.77 : x
  2. Step 2: Convert to fraction form
    230,956.58/318,650.43 = 134,141.77/x
  3. Step 3: Cross multiply
    230,956.58x = 318,650.43 × 134,141.77
  4. Step 4: Simplify right side
    230,956.58x = 42,744,332,691.46
  5. Step 5: Solve for x
    x = 42,744,332,691.46/230,956.58
  6. Step 6: Final answer
    x = 185,075.19

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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.