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Finding the Fourth Proportional to 101,962.76, 152,994.20 and 45,842.48

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Solution

The fourth proportional to 101,962.76, 152,994.20 and 45,842.48 is: 68,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,962.76 : 152,994.20 = 45,842.48 : x
  2. Step 2: Convert to fraction form
    101,962.76/152,994.20 = 45,842.48/x
  3. Step 3: Cross multiply
    101,962.76x = 152,994.20 × 45,842.48
  4. Step 4: Simplify right side
    101,962.76x = 7,013,633,553.62
  5. Step 5: Solve for x
    x = 7,013,633,553.62/101,962.76
  6. Step 6: Final answer
    x = 68,786.23

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1.5x scale

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.