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Finding the Fourth Proportional to 173,521.58, 260,347.16 and 68,413.82

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Solution

The fourth proportional to 173,521.58, 260,347.16 and 68,413.82 is: 102,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.58 : 260,347.16 = 68,413.82 : x
  2. Step 2: Convert to fraction form
    173,521.58/260,347.16 = 68,413.82/x
  3. Step 3: Cross multiply
    173,521.58x = 260,347.16 × 68,413.82
  4. Step 4: Simplify right side
    173,521.58x = 17,811,342,611.05
  5. Step 5: Solve for x
    x = 17,811,342,611.05/173,521.58
  6. Step 6: Final answer
    x = 102,646.27

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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.