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Finding the Fourth Proportional to 371,267.99, 557,136.27 and 158,035.56

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Solution

The fourth proportional to 371,267.99, 557,136.27 and 158,035.56 is: 237,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,267.99 : 557,136.27 = 158,035.56 : x
  2. Step 2: Convert to fraction form
    371,267.99/557,136.27 = 158,035.56/x
  3. Step 3: Cross multiply
    371,267.99x = 557,136.27 × 158,035.56
  4. Step 4: Simplify right side
    371,267.99x = 88,047,344,592.86
  5. Step 5: Solve for x
    x = 88,047,344,592.86/371,267.99
  6. Step 6: Final answer
    x = 237,153.07

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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.