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Finding the Fourth Proportional to 159,594.96, 220,252.32 and 91,623

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Solution

The fourth proportional to 159,594.96, 220,252.32 and 91,623 is: 126,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,594.96 : 220,252.32 = 91,623 : x
  2. Step 2: Convert to fraction form
    159,594.96/220,252.32 = 91,623/x
  3. Step 3: Cross multiply
    159,594.96x = 220,252.32 × 91,623
  4. Step 4: Simplify right side
    159,594.96x = 20,180,178,315.36
  5. Step 5: Solve for x
    x = 20,180,178,315.36/159,594.96
  6. Step 6: Final answer
    x = 126,446.21

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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.