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Finding the Fourth Proportional to 77,151.98, 115,753.08 and 35,027.12

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Solution

The fourth proportional to 77,151.98, 115,753.08 and 35,027.12 is: 52,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,151.98 : 115,753.08 = 35,027.12 : x
  2. Step 2: Convert to fraction form
    77,151.98/115,753.08 = 35,027.12/x
  3. Step 3: Cross multiply
    77,151.98x = 115,753.08 × 35,027.12
  4. Step 4: Simplify right side
    77,151.98x = 4,054,497,023.53
  5. Step 5: Solve for x
    x = 4,054,497,023.53/77,151.98
  6. Step 6: Final answer
    x = 52,552.08

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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.