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Finding the Fourth Proportional to 144,882.11, 217,278.15 and 69,955.67

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Solution

The fourth proportional to 144,882.11, 217,278.15 and 69,955.67 is: 104,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,882.11 : 217,278.15 = 69,955.67 : x
  2. Step 2: Convert to fraction form
    144,882.11/217,278.15 = 69,955.67/x
  3. Step 3: Cross multiply
    144,882.11x = 217,278.15 × 69,955.67
  4. Step 4: Simplify right side
    144,882.11x = 15,199,837,473.22
  5. Step 5: Solve for x
    x = 15,199,837,473.22/144,882.11
  6. Step 6: Final answer
    x = 104,911.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.