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Finding the Fourth Proportional to 159,985,878.01, 239,978,817.07 and 44,970,420.33

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Solution

The fourth proportional to 159,985,878.01, 239,978,817.07 and 44,970,420.33 is: 67,455,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,985,878.01 : 239,978,817.07 = 44,970,420.33 : x
  2. Step 2: Convert to fraction form
    159,985,878.01/239,978,817.07 = 44,970,420.33/x
  3. Step 3: Cross multiply
    159,985,878.01x = 239,978,817.07 × 44,970,420.33
  4. Step 4: Simplify right side
    159,985,878.01x = 10,791,948,273,821,652
  5. Step 5: Solve for x
    x = 10,791,948,273,821,652/159,985,878.01
  6. Step 6: Final answer
    x = 67,455,630.51

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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.