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Finding the Fourth Proportional to 96,996.96, 133,891.20 and 61,210.26

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Solution

The fourth proportional to 96,996.96, 133,891.20 and 61,210.26 is: 84,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996.96 : 133,891.20 = 61,210.26 : x
  2. Step 2: Convert to fraction form
    96,996.96/133,891.20 = 61,210.26/x
  3. Step 3: Cross multiply
    96,996.96x = 133,891.20 × 61,210.26
  4. Step 4: Simplify right side
    96,996.96x = 8,195,515,163.71
  5. Step 5: Solve for x
    x = 8,195,515,163.71/96,996.96
  6. Step 6: Final answer
    x = 84,492.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.