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Finding the Fourth Proportional to 109,893.20, 151,652.70 and 59,592.20

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Solution

The fourth proportional to 109,893.20, 151,652.70 and 59,592.20 is: 82,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,893.20 : 151,652.70 = 59,592.20 : x
  2. Step 2: Convert to fraction form
    109,893.20/151,652.70 = 59,592.20/x
  3. Step 3: Cross multiply
    109,893.20x = 151,652.70 × 59,592.20
  4. Step 4: Simplify right side
    109,893.20x = 9,037,317,270.68
  5. Step 5: Solve for x
    x = 9,037,317,270.68/109,893.20
  6. Step 6: Final answer
    x = 82,237.28

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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.