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Finding the Fourth Proportional to 245,835.97, 368,830.50 and 88,065.79

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Solution

The fourth proportional to 245,835.97, 368,830.50 and 88,065.79 is: 132,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,835.97 : 368,830.50 = 88,065.79 : x
  2. Step 2: Convert to fraction form
    245,835.97/368,830.50 = 88,065.79/x
  3. Step 3: Cross multiply
    245,835.97x = 368,830.50 × 88,065.79
  4. Step 4: Simplify right side
    245,835.97x = 32,481,349,358.60
  5. Step 5: Solve for x
    x = 32,481,349,358.60/245,835.97
  6. Step 6: Final answer
    x = 132,126.11

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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.