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Finding the Fourth Proportional to 191,487.62, 264,253.30 and 106,607.72

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Solution

The fourth proportional to 191,487.62, 264,253.30 and 106,607.72 is: 147,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,487.62 : 264,253.30 = 106,607.72 : x
  2. Step 2: Convert to fraction form
    191,487.62/264,253.30 = 106,607.72/x
  3. Step 3: Cross multiply
    191,487.62x = 264,253.30 × 106,607.72
  4. Step 4: Simplify right side
    191,487.62x = 28,171,440,227.69
  5. Step 5: Solve for x
    x = 28,171,440,227.69/191,487.62
  6. Step 6: Final answer
    x = 147,118.86

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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.