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Finding the Fourth Proportional to 201,998.79, 302,905.02 and 59,793.21

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Solution

The fourth proportional to 201,998.79, 302,905.02 and 59,793.21 is: 89,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,998.79 : 302,905.02 = 59,793.21 : x
  2. Step 2: Convert to fraction form
    201,998.79/302,905.02 = 59,793.21/x
  3. Step 3: Cross multiply
    201,998.79x = 302,905.02 × 59,793.21
  4. Step 4: Simplify right side
    201,998.79x = 18,111,663,470.91
  5. Step 5: Solve for x
    x = 18,111,663,470.91/201,998.79
  6. Step 6: Final answer
    x = 89,662.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.