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Finding the Fourth Proportional to 71,672.63, 106,904.25 and 62,238.47

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Solution

The fourth proportional to 71,672.63, 106,904.25 and 62,238.47 is: 92,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,672.63 : 106,904.25 = 62,238.47 : x
  2. Step 2: Convert to fraction form
    71,672.63/106,904.25 = 62,238.47/x
  3. Step 3: Cross multiply
    71,672.63x = 106,904.25 × 62,238.47
  4. Step 4: Simplify right side
    71,672.63x = 6,653,556,421.98
  5. Step 5: Solve for x
    x = 6,653,556,421.98/71,672.63
  6. Step 6: Final answer
    x = 92,832.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.