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Finding the Fourth Proportional to 151,616.96, 209,509.44 and 144,333.44

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Solution

The fourth proportional to 151,616.96, 209,509.44 and 144,333.44 is: 199,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,616.96 : 209,509.44 = 144,333.44 : x
  2. Step 2: Convert to fraction form
    151,616.96/209,509.44 = 144,333.44/x
  3. Step 3: Cross multiply
    151,616.96x = 209,509.44 × 144,333.44
  4. Step 4: Simplify right side
    151,616.96x = 30,239,218,187.67
  5. Step 5: Solve for x
    x = 30,239,218,187.67/151,616.96
  6. Step 6: Final answer
    x = 199,444.83

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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.