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Finding the Fourth Proportional to 570,793.92, 856,122.72 and 150,102.56

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Solution

The fourth proportional to 570,793.92, 856,122.72 and 150,102.56 is: 225,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,793.92 : 856,122.72 = 150,102.56 : x
  2. Step 2: Convert to fraction form
    570,793.92/856,122.72 = 150,102.56/x
  3. Step 3: Cross multiply
    570,793.92x = 856,122.72 × 150,102.56
  4. Step 4: Simplify right side
    570,793.92x = 128,506,211,946.16
  5. Step 5: Solve for x
    x = 128,506,211,946.16/570,793.92
  6. Step 6: Final answer
    x = 225,135.92

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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.