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Finding the Fourth Proportional to 159,325.69, 239,024.54 and 52,709.40

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Solution

The fourth proportional to 159,325.69, 239,024.54 and 52,709.40 is: 79,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.69 : 239,024.54 = 52,709.40 : x
  2. Step 2: Convert to fraction form
    159,325.69/239,024.54 = 52,709.40/x
  3. Step 3: Cross multiply
    159,325.69x = 239,024.54 × 52,709.40
  4. Step 4: Simplify right side
    159,325.69x = 12,598,840,088.68
  5. Step 5: Solve for x
    x = 12,598,840,088.68/159,325.69
  6. Step 6: Final answer
    x = 79,076.01

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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.