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Finding the Fourth Proportional to 173,083.68, 259,657.11 and 79,587

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Solution

The fourth proportional to 173,083.68, 259,657.11 and 79,587 is: 119,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,083.68 : 259,657.11 = 79,587 : x
  2. Step 2: Convert to fraction form
    173,083.68/259,657.11 = 79,587/x
  3. Step 3: Cross multiply
    173,083.68x = 259,657.11 × 79,587
  4. Step 4: Simplify right side
    173,083.68x = 20,665,330,413.57
  5. Step 5: Solve for x
    x = 20,665,330,413.57/173,083.68
  6. Step 6: Final answer
    x = 119,395.03

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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.