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Finding the Fourth Proportional to 240,140.06, 360,210.08 and 90,413.93

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Solution

The fourth proportional to 240,140.06, 360,210.08 and 90,413.93 is: 135,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,140.06 : 360,210.08 = 90,413.93 : x
  2. Step 2: Convert to fraction form
    240,140.06/360,210.08 = 90,413.93/x
  3. Step 3: Cross multiply
    240,140.06x = 360,210.08 × 90,413.93
  4. Step 4: Simplify right side
    240,140.06x = 32,568,010,084.97
  5. Step 5: Solve for x
    x = 32,568,010,084.97/240,140.06
  6. Step 6: Final answer
    x = 135,620.90

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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.