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Finding the Fourth Proportional to 69,495.05, 96,306.72 and 68,165.84

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Solution

The fourth proportional to 69,495.05, 96,306.72 and 68,165.84 is: 94,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.05 : 96,306.72 = 68,165.84 : x
  2. Step 2: Convert to fraction form
    69,495.05/96,306.72 = 68,165.84/x
  3. Step 3: Cross multiply
    69,495.05x = 96,306.72 × 68,165.84
  4. Step 4: Simplify right side
    69,495.05x = 6,564,827,984.91
  5. Step 5: Solve for x
    x = 6,564,827,984.91/69,495.05
  6. Step 6: Final answer
    x = 94,464.69

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1.5x scale

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.