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Finding the Fourth Proportional to 355,468.49, 533,186.33 and 89,223.11

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Solution

The fourth proportional to 355,468.49, 533,186.33 and 89,223.11 is: 133,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,468.49 : 533,186.33 = 89,223.11 : x
  2. Step 2: Convert to fraction form
    355,468.49/533,186.33 = 89,223.11/x
  3. Step 3: Cross multiply
    355,468.49x = 533,186.33 × 89,223.11
  4. Step 4: Simplify right side
    355,468.49x = 47,572,542,572.09
  5. Step 5: Solve for x
    x = 47,572,542,572.09/355,468.49
  6. Step 6: Final answer
    x = 133,830.55

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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.