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Finding the Fourth Proportional to 348,760.66, 523,174.05 and 135,545.01

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Solution

The fourth proportional to 348,760.66, 523,174.05 and 135,545.01 is: 203,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,760.66 : 523,174.05 = 135,545.01 : x
  2. Step 2: Convert to fraction form
    348,760.66/523,174.05 = 135,545.01/x
  3. Step 3: Cross multiply
    348,760.66x = 523,174.05 × 135,545.01
  4. Step 4: Simplify right side
    348,760.66x = 70,913,631,838.99
  5. Step 5: Solve for x
    x = 70,913,631,838.99/348,760.66
  6. Step 6: Final answer
    x = 203,330.36

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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.