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Finding the Fourth Proportional to 220,109.10, 330,163.65 and 185,117.10

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Solution

The fourth proportional to 220,109.10, 330,163.65 and 185,117.10 is: 277,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.10 : 330,163.65 = 185,117.10 : x
  2. Step 2: Convert to fraction form
    220,109.10/330,163.65 = 185,117.10/x
  3. Step 3: Cross multiply
    220,109.10x = 330,163.65 × 185,117.10
  4. Step 4: Simplify right side
    220,109.10x = 61,118,937,413.42
  5. Step 5: Solve for x
    x = 61,118,937,413.42/220,109.10
  6. Step 6: Final answer
    x = 277,675.65

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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.