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Finding the Fourth Proportional to 191,269.44, 264,007.42 and 127,607.09

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Solution

The fourth proportional to 191,269.44, 264,007.42 and 127,607.09 is: 176,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,269.44 : 264,007.42 = 127,607.09 : x
  2. Step 2: Convert to fraction form
    191,269.44/264,007.42 = 127,607.09/x
  3. Step 3: Cross multiply
    191,269.44x = 264,007.42 × 127,607.09
  4. Step 4: Simplify right side
    191,269.44x = 33,689,216,965.55
  5. Step 5: Solve for x
    x = 33,689,216,965.55/191,269.44
  6. Step 6: Final answer
    x = 176,134.86

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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.