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Finding the Fourth Proportional to 267,386.85, 368,958.76 and 159,917.67

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Solution

The fourth proportional to 267,386.85, 368,958.76 and 159,917.67 is: 220,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.85 : 368,958.76 = 159,917.67 : x
  2. Step 2: Convert to fraction form
    267,386.85/368,958.76 = 159,917.67/x
  3. Step 3: Cross multiply
    267,386.85x = 368,958.76 × 159,917.67
  4. Step 4: Simplify right side
    267,386.85x = 59,003,025,225.29
  5. Step 5: Solve for x
    x = 59,003,025,225.29/267,386.85
  6. Step 6: Final answer
    x = 220,665.40

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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.