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Finding the Fourth Proportional to 356,848.60, 535,245.08 and 132,103.32

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Solution

The fourth proportional to 356,848.60, 535,245.08 and 132,103.32 is: 198,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,848.60 : 535,245.08 = 132,103.32 : x
  2. Step 2: Convert to fraction form
    356,848.60/535,245.08 = 132,103.32/x
  3. Step 3: Cross multiply
    356,848.60x = 535,245.08 × 132,103.32
  4. Step 4: Simplify right side
    356,848.60x = 70,707,652,081.67
  5. Step 5: Solve for x
    x = 70,707,652,081.67/356,848.60
  6. Step 6: Final answer
    x = 198,144.68

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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.