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Finding the Fourth Proportional to 245,807.84, 368,788.31 and 88,037.66

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Solution

The fourth proportional to 245,807.84, 368,788.31 and 88,037.66 is: 132,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,807.84 : 368,788.31 = 88,037.66 : x
  2. Step 2: Convert to fraction form
    245,807.84/368,788.31 = 88,037.66/x
  3. Step 3: Cross multiply
    245,807.84x = 368,788.31 × 88,037.66
  4. Step 4: Simplify right side
    245,807.84x = 32,467,259,847.75
  5. Step 5: Solve for x
    x = 32,467,259,847.75/245,807.84
  6. Step 6: Final answer
    x = 132,083.91

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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.