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Finding the Fourth Proportional to 106,348.50, 146,756.34 and 60,994.98

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Solution

The fourth proportional to 106,348.50, 146,756.34 and 60,994.98 is: 84,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,348.50 : 146,756.34 = 60,994.98 : x
  2. Step 2: Convert to fraction form
    106,348.50/146,756.34 = 60,994.98/x
  3. Step 3: Cross multiply
    106,348.50x = 146,756.34 × 60,994.98
  4. Step 4: Simplify right side
    106,348.50x = 8,951,400,023.17
  5. Step 5: Solve for x
    x = 8,951,400,023.17/106,348.50
  6. Step 6: Final answer
    x = 84,170.44

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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.