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Finding the Fourth Proportional to 162,552, 224,326.26 and 90,944.40

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Solution

The fourth proportional to 162,552, 224,326.26 and 90,944.40 is: 125,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,552 : 224,326.26 = 90,944.40 : x
  2. Step 2: Convert to fraction form
    162,552/224,326.26 = 90,944.40/x
  3. Step 3: Cross multiply
    162,552x = 224,326.26 × 90,944.40
  4. Step 4: Simplify right side
    162,552x = 20,401,217,119.94
  5. Step 5: Solve for x
    x = 20,401,217,119.94/162,552
  6. Step 6: Final answer
    x = 125,505.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.