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Finding the Fourth Proportional to 101,024.60, 151,536.90 and 82,362.20

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Solution

The fourth proportional to 101,024.60, 151,536.90 and 82,362.20 is: 123,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,024.60 : 151,536.90 = 82,362.20 : x
  2. Step 2: Convert to fraction form
    101,024.60/151,536.90 = 82,362.20/x
  3. Step 3: Cross multiply
    101,024.60x = 151,536.90 × 82,362.20
  4. Step 4: Simplify right side
    101,024.60x = 12,480,912,465.18
  5. Step 5: Solve for x
    x = 12,480,912,465.18/101,024.60
  6. Step 6: Final answer
    x = 123,543.30

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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.