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Finding the Fourth Proportional to 154,994.92, 212,495.45 and 152,195.56

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Solution

The fourth proportional to 154,994.92, 212,495.45 and 152,195.56 is: 208,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,994.92 : 212,495.45 = 152,195.56 : x
  2. Step 2: Convert to fraction form
    154,994.92/212,495.45 = 152,195.56/x
  3. Step 3: Cross multiply
    154,994.92x = 212,495.45 × 152,195.56
  4. Step 4: Simplify right side
    154,994.92x = 32,340,864,010.20
  5. Step 5: Solve for x
    x = 32,340,864,010.20/154,994.92
  6. Step 6: Final answer
    x = 208,657.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.