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Finding the Fourth Proportional to 68,222.34, 94,121.34 and 68,117.22

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Solution

The fourth proportional to 68,222.34, 94,121.34 and 68,117.22 is: 93,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,222.34 : 94,121.34 = 68,117.22 : x
  2. Step 2: Convert to fraction form
    68,222.34/94,121.34 = 68,117.22/x
  3. Step 3: Cross multiply
    68,222.34x = 94,121.34 × 68,117.22
  4. Step 4: Simplify right side
    68,222.34x = 6,411,284,023.47
  5. Step 5: Solve for x
    x = 6,411,284,023.47/68,222.34
  6. Step 6: Final answer
    x = 93,976.31

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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.