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Finding the Fourth Proportional to 192,114.39, 288,216.95 and 65,756.19

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Solution

The fourth proportional to 192,114.39, 288,216.95 and 65,756.19 is: 98,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,114.39 : 288,216.95 = 65,756.19 : x
  2. Step 2: Convert to fraction form
    192,114.39/288,216.95 = 65,756.19/x
  3. Step 3: Cross multiply
    192,114.39x = 288,216.95 × 65,756.19
  4. Step 4: Simplify right side
    192,114.39x = 18,952,048,196.64
  5. Step 5: Solve for x
    x = 18,952,048,196.64/192,114.39
  6. Step 6: Final answer
    x = 98,649.81

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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.