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Finding the Fourth Proportional to 104,678.88, 157,134.88 and 52,074.24

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Solution

The fourth proportional to 104,678.88, 157,134.88 and 52,074.24 is: 78,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,678.88 : 157,134.88 = 52,074.24 : x
  2. Step 2: Convert to fraction form
    104,678.88/157,134.88 = 52,074.24/x
  3. Step 3: Cross multiply
    104,678.88x = 157,134.88 × 52,074.24
  4. Step 4: Simplify right side
    104,678.88x = 8,182,679,453.49
  5. Step 5: Solve for x
    x = 8,182,679,453.49/104,678.88
  6. Step 6: Final answer
    x = 78,169.34

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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.