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Finding the Fourth Proportional to 85,247.83, 117,639.72 and 47,006.71

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Solution

The fourth proportional to 85,247.83, 117,639.72 and 47,006.71 is: 64,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.83 : 117,639.72 = 47,006.71 : x
  2. Step 2: Convert to fraction form
    85,247.83/117,639.72 = 47,006.71/x
  3. Step 3: Cross multiply
    85,247.83x = 117,639.72 × 47,006.71
  4. Step 4: Simplify right side
    85,247.83x = 5,529,856,202.52
  5. Step 5: Solve for x
    x = 5,529,856,202.52/85,247.83
  6. Step 6: Final answer
    x = 64,868.00

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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.