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Finding the Fourth Proportional to 146,556, 219,836.16 and 48,060

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Solution

The fourth proportional to 146,556, 219,836.16 and 48,060 is: 72,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,556 : 219,836.16 = 48,060 : x
  2. Step 2: Convert to fraction form
    146,556/219,836.16 = 48,060/x
  3. Step 3: Cross multiply
    146,556x = 219,836.16 × 48,060
  4. Step 4: Simplify right side
    146,556x = 10,565,325,849.60
  5. Step 5: Solve for x
    x = 10,565,325,849.60/146,556
  6. Step 6: Final answer
    x = 72,090.71

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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.