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Finding the Fourth Proportional to 101,574.12, 152,459.46 and 49,020.60

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Solution

The fourth proportional to 101,574.12, 152,459.46 and 49,020.60 is: 73,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574.12 : 152,459.46 = 49,020.60 : x
  2. Step 2: Convert to fraction form
    101,574.12/152,459.46 = 49,020.60/x
  3. Step 3: Cross multiply
    101,574.12x = 152,459.46 × 49,020.60
  4. Step 4: Simplify right side
    101,574.12x = 7,473,654,204.88
  5. Step 5: Solve for x
    x = 7,473,654,204.88/101,574.12
  6. Step 6: Final answer
    x = 73,578.33

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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.