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Finding the Fourth Proportional to 162,047.88, 223,626.11 and 89,450.81

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Solution

The fourth proportional to 162,047.88, 223,626.11 and 89,450.81 is: 123,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,047.88 : 223,626.11 = 89,450.81 : x
  2. Step 2: Convert to fraction form
    162,047.88/223,626.11 = 89,450.81/x
  3. Step 3: Cross multiply
    162,047.88x = 223,626.11 × 89,450.81
  4. Step 4: Simplify right side
    162,047.88x = 20,003,537,040.04
  5. Step 5: Solve for x
    x = 20,003,537,040.04/162,047.88
  6. Step 6: Final answer
    x = 123,442.14

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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.