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Finding the Fourth Proportional to 161,413.56, 242,159.16 and 50,605.56

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Solution

The fourth proportional to 161,413.56, 242,159.16 and 50,605.56 is: 75,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,413.56 : 242,159.16 = 50,605.56 : x
  2. Step 2: Convert to fraction form
    161,413.56/242,159.16 = 50,605.56/x
  3. Step 3: Cross multiply
    161,413.56x = 242,159.16 × 50,605.56
  4. Step 4: Simplify right side
    161,413.56x = 12,254,599,900.93
  5. Step 5: Solve for x
    x = 12,254,599,900.93/161,413.56
  6. Step 6: Final answer
    x = 75,920.51

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1.5x scale

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.