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Finding the Fourth Proportional to 219,560.34, 302,994.36 and 118,958.34

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Solution

The fourth proportional to 219,560.34, 302,994.36 and 118,958.34 is: 164,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,560.34 : 302,994.36 = 118,958.34 : x
  2. Step 2: Convert to fraction form
    219,560.34/302,994.36 = 118,958.34/x
  3. Step 3: Cross multiply
    219,560.34x = 302,994.36 × 118,958.34
  4. Step 4: Simplify right side
    219,560.34x = 36,043,706,094.96
  5. Step 5: Solve for x
    x = 36,043,706,094.96/219,560.34
  6. Step 6: Final answer
    x = 164,163.10

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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.