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Finding the Fourth Proportional to 190,294.67, 262,357.71 and 163,722.62

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Solution

The fourth proportional to 190,294.67, 262,357.71 and 163,722.62 is: 225,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,294.67 : 262,357.71 = 163,722.62 : x
  2. Step 2: Convert to fraction form
    190,294.67/262,357.71 = 163,722.62/x
  3. Step 3: Cross multiply
    190,294.67x = 262,357.71 × 163,722.62
  4. Step 4: Simplify right side
    190,294.67x = 42,953,891,658.40
  5. Step 5: Solve for x
    x = 42,953,891,658.40/190,294.67
  6. Step 6: Final answer
    x = 225,723.04

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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.