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Finding the Fourth Proportional to 216,559.15, 298,843.05 and 119,756.72

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Solution

The fourth proportional to 216,559.15, 298,843.05 and 119,756.72 is: 165,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,559.15 : 298,843.05 = 119,756.72 : x
  2. Step 2: Convert to fraction form
    216,559.15/298,843.05 = 119,756.72/x
  3. Step 3: Cross multiply
    216,559.15x = 298,843.05 × 119,756.72
  4. Step 4: Simplify right side
    216,559.15x = 35,788,463,462.80
  5. Step 5: Solve for x
    x = 35,788,463,462.80/216,559.15
  6. Step 6: Final answer
    x = 165,259.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.