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Finding the Fourth Proportional to 356,675.66, 535,083.42 and 132,037.82

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Solution

The fourth proportional to 356,675.66, 535,083.42 and 132,037.82 is: 198,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,675.66 : 535,083.42 = 132,037.82 : x
  2. Step 2: Convert to fraction form
    356,675.66/535,083.42 = 132,037.82/x
  3. Step 3: Cross multiply
    356,675.66x = 535,083.42 × 132,037.82
  4. Step 4: Simplify right side
    356,675.66x = 70,651,248,294.94
  5. Step 5: Solve for x
    x = 70,651,248,294.94/356,675.66
  6. Step 6: Final answer
    x = 198,082.62

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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.