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Finding the Fourth Proportional to 250,952,081.60, 376,561,869.60 and 97,603,140.80

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Solution

The fourth proportional to 250,952,081.60, 376,561,869.60 and 97,603,140.80 is: 146,456,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,952,081.60 : 376,561,869.60 = 97,603,140.80 : x
  2. Step 2: Convert to fraction form
    250,952,081.60/376,561,869.60 = 97,603,140.80/x
  3. Step 3: Cross multiply
    250,952,081.60x = 376,561,869.60 × 97,603,140.80
  4. Step 4: Simplify right side
    250,952,081.60x = 36,753,621,178,480,040
  5. Step 5: Solve for x
    x = 36,753,621,178,480,040/250,952,081.60
  6. Step 6: Final answer
    x = 146,456,729.68

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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.