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Finding the Fourth Proportional to 160,911.63, 222,040.04 and 89,294.67

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Solution

The fourth proportional to 160,911.63, 222,040.04 and 89,294.67 is: 123,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,911.63 : 222,040.04 = 89,294.67 : x
  2. Step 2: Convert to fraction form
    160,911.63/222,040.04 = 89,294.67/x
  3. Step 3: Cross multiply
    160,911.63x = 222,040.04 × 89,294.67
  4. Step 4: Simplify right side
    160,911.63x = 19,826,991,652.11
  5. Step 5: Solve for x
    x = 19,826,991,652.11/160,911.63
  6. Step 6: Final answer
    x = 123,216.65

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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.