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Finding the Fourth Proportional to 245,866.56, 368,566.56 and 88,013.76

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Solution

The fourth proportional to 245,866.56, 368,566.56 and 88,013.76 is: 131,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,866.56 : 368,566.56 = 88,013.76 : x
  2. Step 2: Convert to fraction form
    245,866.56/368,566.56 = 88,013.76/x
  3. Step 3: Cross multiply
    245,866.56x = 368,566.56 × 88,013.76
  4. Step 4: Simplify right side
    245,866.56x = 32,438,928,755.87
  5. Step 5: Solve for x
    x = 32,438,928,755.87/245,866.56
  6. Step 6: Final answer
    x = 131,937.13

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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.