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Finding the Fourth Proportional to 175,894.88, 242,739.60 and 100,441.76

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Solution

The fourth proportional to 175,894.88, 242,739.60 and 100,441.76 is: 138,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,894.88 : 242,739.60 = 100,441.76 : x
  2. Step 2: Convert to fraction form
    175,894.88/242,739.60 = 100,441.76/x
  3. Step 3: Cross multiply
    175,894.88x = 242,739.60 × 100,441.76
  4. Step 4: Simplify right side
    175,894.88x = 24,381,192,645.70
  5. Step 5: Solve for x
    x = 24,381,192,645.70/175,894.88
  6. Step 6: Final answer
    x = 138,612.29

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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.