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Finding the Fourth Proportional to 162,362.78, 224,063.17 and 90,747.44

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Solution

The fourth proportional to 162,362.78, 224,063.17 and 90,747.44 is: 125,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,362.78 : 224,063.17 = 90,747.44 : x
  2. Step 2: Convert to fraction form
    162,362.78/224,063.17 = 90,747.44/x
  3. Step 3: Cross multiply
    162,362.78x = 224,063.17 × 90,747.44
  4. Step 4: Simplify right side
    162,362.78x = 20,333,159,075.78
  5. Step 5: Solve for x
    x = 20,333,159,075.78/162,362.78
  6. Step 6: Final answer
    x = 125,232.88

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1.5x scale

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.