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Finding the Fourth Proportional to 86,658.68, 119,577.13 and 48,413.52

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Solution

The fourth proportional to 86,658.68, 119,577.13 and 48,413.52 is: 66,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,658.68 : 119,577.13 = 48,413.52 : x
  2. Step 2: Convert to fraction form
    86,658.68/119,577.13 = 48,413.52/x
  3. Step 3: Cross multiply
    86,658.68x = 119,577.13 × 48,413.52
  4. Step 4: Simplify right side
    86,658.68x = 5,789,149,653.76
  5. Step 5: Solve for x
    x = 5,789,149,653.76/86,658.68
  6. Step 6: Final answer
    x = 66,804.03

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1.5x scale

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.