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Finding the Fourth Proportional to 357,658.92, 536,571.41 and 104,929.20

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Solution

The fourth proportional to 357,658.92, 536,571.41 and 104,929.20 is: 157,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,658.92 : 536,571.41 = 104,929.20 : x
  2. Step 2: Convert to fraction form
    357,658.92/536,571.41 = 104,929.20/x
  3. Step 3: Cross multiply
    357,658.92x = 536,571.41 × 104,929.20
  4. Step 4: Simplify right side
    357,658.92x = 56,302,008,794.17
  5. Step 5: Solve for x
    x = 56,302,008,794.17/357,658.92
  6. Step 6: Final answer
    x = 157,418.16

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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.