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Finding the Fourth Proportional to 162,338.49, 224,022.94 and 90,719.10

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Solution

The fourth proportional to 162,338.49, 224,022.94 and 90,719.10 is: 125,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.49 : 224,022.94 = 90,719.10 : x
  2. Step 2: Convert to fraction form
    162,338.49/224,022.94 = 90,719.10/x
  3. Step 3: Cross multiply
    162,338.49x = 224,022.94 × 90,719.10
  4. Step 4: Simplify right side
    162,338.49x = 20,323,159,269.36
  5. Step 5: Solve for x
    x = 20,323,159,269.36/162,338.49
  6. Step 6: Final answer
    x = 125,190.02

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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.