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Finding the Fourth Proportional to 52,654,413.60, 78,839,902.80 and 52,654,413.60

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Solution

The fourth proportional to 52,654,413.60, 78,839,902.80 and 52,654,413.60 is: 78,839,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654,413.60 : 78,839,902.80 = 52,654,413.60 : x
  2. Step 2: Convert to fraction form
    52,654,413.60/78,839,902.80 = 52,654,413.60/x
  3. Step 3: Cross multiply
    52,654,413.60x = 78,839,902.80 × 52,654,413.60
  4. Step 4: Simplify right side
    52,654,413.60x = 4,151,268,850,214,998
  5. Step 5: Solve for x
    x = 4,151,268,850,214,998/52,654,413.60
  6. Step 6: Final answer
    x = 78,839,902.80

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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.