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Finding the Fourth Proportional to 102,548.30, 153,822.38 and 52,600.59

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Solution

The fourth proportional to 102,548.30, 153,822.38 and 52,600.59 is: 78,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,548.30 : 153,822.38 = 52,600.59 : x
  2. Step 2: Convert to fraction form
    102,548.30/153,822.38 = 52,600.59/x
  3. Step 3: Cross multiply
    102,548.30x = 153,822.38 × 52,600.59
  4. Step 4: Simplify right side
    102,548.30x = 8,091,147,680.20
  5. Step 5: Solve for x
    x = 8,091,147,680.20/102,548.30
  6. Step 6: Final answer
    x = 78,900.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.