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Finding the Fourth Proportional to 191,469.76, 264,228.18 and 106,606.87

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Solution

The fourth proportional to 191,469.76, 264,228.18 and 106,606.87 is: 147,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,469.76 : 264,228.18 = 106,606.87 : x
  2. Step 2: Convert to fraction form
    191,469.76/264,228.18 = 106,606.87/x
  3. Step 3: Cross multiply
    191,469.76x = 264,228.18 × 106,606.87
  4. Step 4: Simplify right side
    191,469.76x = 28,168,538,175.25
  5. Step 5: Solve for x
    x = 28,168,538,175.25/191,469.76
  6. Step 6: Final answer
    x = 147,117.43

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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.