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Finding the Fourth Proportional to 220,221.52, 303,616.51 and 158,916.26

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Solution

The fourth proportional to 220,221.52, 303,616.51 and 158,916.26 is: 219,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,221.52 : 303,616.51 = 158,916.26 : x
  2. Step 2: Convert to fraction form
    220,221.52/303,616.51 = 158,916.26/x
  3. Step 3: Cross multiply
    220,221.52x = 303,616.51 × 158,916.26
  4. Step 4: Simplify right side
    220,221.52x = 48,249,600,243.45
  5. Step 5: Solve for x
    x = 48,249,600,243.45/220,221.52
  6. Step 6: Final answer
    x = 219,095.76

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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.