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Finding the Fourth Proportional to 71,008.24, 98,405.62 and 70,006

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Solution

The fourth proportional to 71,008.24, 98,405.62 and 70,006 is: 97,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008.24 : 98,405.62 = 70,006 : x
  2. Step 2: Convert to fraction form
    71,008.24/98,405.62 = 70,006/x
  3. Step 3: Cross multiply
    71,008.24x = 98,405.62 × 70,006
  4. Step 4: Simplify right side
    71,008.24x = 6,888,983,833.72
  5. Step 5: Solve for x
    x = 6,888,983,833.72/71,008.24
  6. Step 6: Final answer
    x = 97,016.68

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.