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Finding the Fourth Proportional to 230,037.92, 345,061.47 and 61,557.98

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Solution

The fourth proportional to 230,037.92, 345,061.47 and 61,557.98 is: 92,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,037.92 : 345,061.47 = 61,557.98 : x
  2. Step 2: Convert to fraction form
    230,037.92/345,061.47 = 61,557.98/x
  3. Step 3: Cross multiply
    230,037.92x = 345,061.47 × 61,557.98
  4. Step 4: Simplify right side
    230,037.92x = 21,241,285,228.30
  5. Step 5: Solve for x
    x = 21,241,285,228.30/230,037.92
  6. Step 6: Final answer
    x = 92,338.19

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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.