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Finding the Fourth Proportional to 110,758.59, 152,823.92 and 65,413.58

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Solution

The fourth proportional to 110,758.59, 152,823.92 and 65,413.58 is: 90,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,758.59 : 152,823.92 = 65,413.58 : x
  2. Step 2: Convert to fraction form
    110,758.59/152,823.92 = 65,413.58/x
  3. Step 3: Cross multiply
    110,758.59x = 152,823.92 × 65,413.58
  4. Step 4: Simplify right side
    110,758.59x = 9,996,758,625.65
  5. Step 5: Solve for x
    x = 9,996,758,625.65/110,758.59
  6. Step 6: Final answer
    x = 90,257.19

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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.