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Finding the Fourth Proportional to 85,899, 118,553.58 and 52,384.44

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Solution

The fourth proportional to 85,899, 118,553.58 and 52,384.44 is: 72,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,899 : 118,553.58 = 52,384.44 : x
  2. Step 2: Convert to fraction form
    85,899/118,553.58 = 52,384.44/x
  3. Step 3: Cross multiply
    85,899x = 118,553.58 × 52,384.44
  4. Step 4: Simplify right side
    85,899x = 6,210,362,898.30
  5. Step 5: Solve for x
    x = 6,210,362,898.30/85,899
  6. Step 6: Final answer
    x = 72,298.43

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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.