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Finding the Fourth Proportional to 85,844.35, 118,472.04 and 47,607.69

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Solution

The fourth proportional to 85,844.35, 118,472.04 and 47,607.69 is: 65,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,844.35 : 118,472.04 = 47,607.69 : x
  2. Step 2: Convert to fraction form
    85,844.35/118,472.04 = 47,607.69/x
  3. Step 3: Cross multiply
    85,844.35x = 118,472.04 × 47,607.69
  4. Step 4: Simplify right side
    85,844.35x = 5,640,180,153.99
  5. Step 5: Solve for x
    x = 5,640,180,153.99/85,844.35
  6. Step 6: Final answer
    x = 65,702.41

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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.