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Finding the Fourth Proportional to 77,618.52, 116,254.44 and 67,493.52

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Solution

The fourth proportional to 77,618.52, 116,254.44 and 67,493.52 is: 101,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,618.52 : 116,254.44 = 67,493.52 : x
  2. Step 2: Convert to fraction form
    77,618.52/116,254.44 = 67,493.52/x
  3. Step 3: Cross multiply
    77,618.52x = 116,254.44 × 67,493.52
  4. Step 4: Simplify right side
    77,618.52x = 7,846,421,371.23
  5. Step 5: Solve for x
    x = 7,846,421,371.23/77,618.52
  6. Step 6: Final answer
    x = 101,089.55

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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.