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Finding the Fourth Proportional to 219,994.60, 329,991.90 and 158,247.40

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Solution

The fourth proportional to 219,994.60, 329,991.90 and 158,247.40 is: 237,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,994.60 : 329,991.90 = 158,247.40 : x
  2. Step 2: Convert to fraction form
    219,994.60/329,991.90 = 158,247.40/x
  3. Step 3: Cross multiply
    219,994.60x = 329,991.90 × 158,247.40
  4. Step 4: Simplify right side
    219,994.60x = 52,220,360,196.06
  5. Step 5: Solve for x
    x = 52,220,360,196.06/219,994.60
  6. Step 6: Final answer
    x = 237,371.10

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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.