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Finding the Fourth Proportional to 67,869.63, 101,253.37 and 64,195.47

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Solution

The fourth proportional to 67,869.63, 101,253.37 and 64,195.47 is: 95,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,869.63 : 101,253.37 = 64,195.47 : x
  2. Step 2: Convert to fraction form
    67,869.63/101,253.37 = 64,195.47/x
  3. Step 3: Cross multiply
    67,869.63x = 101,253.37 × 64,195.47
  4. Step 4: Simplify right side
    67,869.63x = 6,500,007,895.45
  5. Step 5: Solve for x
    x = 6,500,007,895.45/67,869.63
  6. Step 6: Final answer
    x = 95,771.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.