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Finding the Fourth Proportional to 219,099.96, 302,352.84 and 123,604.20

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Solution

The fourth proportional to 219,099.96, 302,352.84 and 123,604.20 is: 170,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,099.96 : 302,352.84 = 123,604.20 : x
  2. Step 2: Convert to fraction form
    219,099.96/302,352.84 = 123,604.20/x
  3. Step 3: Cross multiply
    219,099.96x = 302,352.84 × 123,604.20
  4. Step 4: Simplify right side
    219,099.96x = 37,372,080,905.93
  5. Step 5: Solve for x
    x = 37,372,080,905.93/219,099.96
  6. Step 6: Final answer
    x = 170,570.92

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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.