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Finding the Fourth Proportional to 101,607.62, 152,416.28 and 49,061.30

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Solution

The fourth proportional to 101,607.62, 152,416.28 and 49,061.30 is: 73,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.62 : 152,416.28 = 49,061.30 : x
  2. Step 2: Convert to fraction form
    101,607.62/152,416.28 = 49,061.30/x
  3. Step 3: Cross multiply
    101,607.62x = 152,416.28 × 49,061.30
  4. Step 4: Simplify right side
    101,607.62x = 7,477,740,198.54
  5. Step 5: Solve for x
    x = 7,477,740,198.54/101,607.62
  6. Step 6: Final answer
    x = 73,594.29

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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.