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Finding the Fourth Proportional to 101,697.20, 152,570.10 and 49,063.40

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Solution

The fourth proportional to 101,697.20, 152,570.10 and 49,063.40 is: 73,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,697.20 : 152,570.10 = 49,063.40 : x
  2. Step 2: Convert to fraction form
    101,697.20/152,570.10 = 49,063.40/x
  3. Step 3: Cross multiply
    101,697.20x = 152,570.10 × 49,063.40
  4. Step 4: Simplify right side
    101,697.20x = 7,485,607,844.34
  5. Step 5: Solve for x
    x = 7,485,607,844.34/101,697.20
  6. Step 6: Final answer
    x = 73,606.82

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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.