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Finding the Fourth Proportional to 95,413.84, 143,146.68 and 67,886.80

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Solution

The fourth proportional to 95,413.84, 143,146.68 and 67,886.80 is: 101,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,413.84 : 143,146.68 = 67,886.80 : x
  2. Step 2: Convert to fraction form
    95,413.84/143,146.68 = 67,886.80/x
  3. Step 3: Cross multiply
    95,413.84x = 143,146.68 × 67,886.80
  4. Step 4: Simplify right side
    95,413.84x = 9,717,770,035.82
  5. Step 5: Solve for x
    x = 9,717,770,035.82/95,413.84
  6. Step 6: Final answer
    x = 101,848.64

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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.