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Finding the Fourth Proportional to 57,905,616.60, 86,907,413.70 and 23,851,402.20

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Solution

The fourth proportional to 57,905,616.60, 86,907,413.70 and 23,851,402.20 is: 35,797,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905,616.60 : 86,907,413.70 = 23,851,402.20 : x
  2. Step 2: Convert to fraction form
    57,905,616.60/86,907,413.70 = 23,851,402.20/x
  3. Step 3: Cross multiply
    57,905,616.60x = 86,907,413.70 × 23,851,402.20
  4. Step 4: Simplify right side
    57,905,616.60x = 2,072,863,678,320,490.25
  5. Step 5: Solve for x
    x = 2,072,863,678,320,490.25/57,905,616.60
  6. Step 6: Final answer
    x = 35,797,281.85

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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.