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Finding the Fourth Proportional to 71,264.05, 97,820.51 and 63,016.99

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Solution

The fourth proportional to 71,264.05, 97,820.51 and 63,016.99 is: 86,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,264.05 : 97,820.51 = 63,016.99 : x
  2. Step 2: Convert to fraction form
    71,264.05/97,820.51 = 63,016.99/x
  3. Step 3: Cross multiply
    71,264.05x = 97,820.51 × 63,016.99
  4. Step 4: Simplify right side
    71,264.05x = 6,164,353,895.30
  5. Step 5: Solve for x
    x = 6,164,353,895.30/71,264.05
  6. Step 6: Final answer
    x = 86,500.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.