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Finding the Fourth Proportional to 141,694.71, 212,570.09 and 40,493.67

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Solution

The fourth proportional to 141,694.71, 212,570.09 and 40,493.67 is: 60,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694.71 : 212,570.09 = 40,493.67 : x
  2. Step 2: Convert to fraction form
    141,694.71/212,570.09 = 40,493.67/x
  3. Step 3: Cross multiply
    141,694.71x = 212,570.09 × 40,493.67
  4. Step 4: Simplify right side
    141,694.71x = 8,607,742,228.58
  5. Step 5: Solve for x
    x = 8,607,742,228.58/141,694.71
  6. Step 6: Final answer
    x = 60,748.51

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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.