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Finding the Fourth Proportional to 101,764.60, 152,603.70 and 49,190.20

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Solution

The fourth proportional to 101,764.60, 152,603.70 and 49,190.20 is: 73,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.60 : 152,603.70 = 49,190.20 : x
  2. Step 2: Convert to fraction form
    101,764.60/152,603.70 = 49,190.20/x
  3. Step 3: Cross multiply
    101,764.60x = 152,603.70 × 49,190.20
  4. Step 4: Simplify right side
    101,764.60x = 7,506,606,523.74
  5. Step 5: Solve for x
    x = 7,506,606,523.74/101,764.60
  6. Step 6: Final answer
    x = 73,764.42

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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.