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Finding the Fourth Proportional to 158,413.51, 236,207.22 and 140,809.51

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Solution

The fourth proportional to 158,413.51, 236,207.22 and 140,809.51 is: 209,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,413.51 : 236,207.22 = 140,809.51 : x
  2. Step 2: Convert to fraction form
    158,413.51/236,207.22 = 140,809.51/x
  3. Step 3: Cross multiply
    158,413.51x = 236,207.22 × 140,809.51
  4. Step 4: Simplify right side
    158,413.51x = 33,260,222,673.89
  5. Step 5: Solve for x
    x = 33,260,222,673.89/158,413.51
  6. Step 6: Final answer
    x = 209,958.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.