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Finding the Fourth Proportional to 220,265.52, 303,966.36 and 119,663.52

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Solution

The fourth proportional to 220,265.52, 303,966.36 and 119,663.52 is: 165,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,265.52 : 303,966.36 = 119,663.52 : x
  2. Step 2: Convert to fraction form
    220,265.52/303,966.36 = 119,663.52/x
  3. Step 3: Cross multiply
    220,265.52x = 303,966.36 × 119,663.52
  4. Step 4: Simplify right side
    220,265.52x = 36,373,684,599.19
  5. Step 5: Solve for x
    x = 36,373,684,599.19/220,265.52
  6. Step 6: Final answer
    x = 165,135.63

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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.