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Finding the Fourth Proportional to 245,837.80, 368,756.70 and 88,009.30

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Solution

The fourth proportional to 245,837.80, 368,756.70 and 88,009.30 is: 132,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,837.80 : 368,756.70 = 88,009.30 : x
  2. Step 2: Convert to fraction form
    245,837.80/368,756.70 = 88,009.30/x
  3. Step 3: Cross multiply
    245,837.80x = 368,756.70 × 88,009.30
  4. Step 4: Simplify right side
    245,837.80x = 32,454,019,037.31
  5. Step 5: Solve for x
    x = 32,454,019,037.31/245,837.80
  6. Step 6: Final answer
    x = 132,013.95

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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.