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Finding the Fourth Proportional to 356,846.60, 535,242.08 and 132,101.30

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Solution

The fourth proportional to 356,846.60, 535,242.08 and 132,101.30 is: 198,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,846.60 : 535,242.08 = 132,101.30 : x
  2. Step 2: Convert to fraction form
    356,846.60/535,242.08 = 132,101.30/x
  3. Step 3: Cross multiply
    356,846.60x = 535,242.08 × 132,101.30
  4. Step 4: Simplify right side
    356,846.60x = 70,706,174,582.70
  5. Step 5: Solve for x
    x = 70,706,174,582.70/356,846.60
  6. Step 6: Final answer
    x = 198,141.65

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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.