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Finding the Fourth Proportional to 220,298.94, 330,455.60 and 104,868.40

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Solution

The fourth proportional to 220,298.94, 330,455.60 and 104,868.40 is: 157,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,298.94 : 330,455.60 = 104,868.40 : x
  2. Step 2: Convert to fraction form
    220,298.94/330,455.60 = 104,868.40/x
  3. Step 3: Cross multiply
    220,298.94x = 330,455.60 × 104,868.40
  4. Step 4: Simplify right side
    220,298.94x = 34,654,350,043.04
  5. Step 5: Solve for x
    x = 34,654,350,043.04/220,298.94
  6. Step 6: Final answer
    x = 157,306.02

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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.