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Finding the Fourth Proportional to 73,482.22, 101,413.40 and 41,647.70

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Solution

The fourth proportional to 73,482.22, 101,413.40 and 41,647.70 is: 57,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,482.22 : 101,413.40 = 41,647.70 : x
  2. Step 2: Convert to fraction form
    73,482.22/101,413.40 = 41,647.70/x
  3. Step 3: Cross multiply
    73,482.22x = 101,413.40 × 41,647.70
  4. Step 4: Simplify right side
    73,482.22x = 4,223,634,859.18
  5. Step 5: Solve for x
    x = 4,223,634,859.18/73,482.22
  6. Step 6: Final answer
    x = 57,478.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.