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Finding the Fourth Proportional to 64,156, 88,535.28 and 35,861.08

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Solution

The fourth proportional to 64,156, 88,535.28 and 35,861.08 is: 49,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156 : 88,535.28 = 35,861.08 : x
  2. Step 2: Convert to fraction form
    64,156/88,535.28 = 35,861.08/x
  3. Step 3: Cross multiply
    64,156x = 88,535.28 × 35,861.08
  4. Step 4: Simplify right side
    64,156x = 3,174,970,758.90
  5. Step 5: Solve for x
    x = 3,174,970,758.90/64,156
  6. Step 6: Final answer
    x = 49,488.29

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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.