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Finding the Fourth Proportional to 84,056.88, 116,165.70 and 68,926.08

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Solution

The fourth proportional to 84,056.88, 116,165.70 and 68,926.08 is: 95,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,056.88 : 116,165.70 = 68,926.08 : x
  2. Step 2: Convert to fraction form
    84,056.88/116,165.70 = 68,926.08/x
  3. Step 3: Cross multiply
    84,056.88x = 116,165.70 × 68,926.08
  4. Step 4: Simplify right side
    84,056.88x = 8,006,846,331.46
  5. Step 5: Solve for x
    x = 8,006,846,331.46/84,056.88
  6. Step 6: Final answer
    x = 95,255.10

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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.