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Finding the Fourth Proportional to 191,606.76, 264,417.41 and 111,080.97

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Solution

The fourth proportional to 191,606.76, 264,417.41 and 111,080.97 is: 153,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,606.76 : 264,417.41 = 111,080.97 : x
  2. Step 2: Convert to fraction form
    191,606.76/264,417.41 = 111,080.97/x
  3. Step 3: Cross multiply
    191,606.76x = 264,417.41 × 111,080.97
  4. Step 4: Simplify right side
    191,606.76x = 29,371,741,832.28
  5. Step 5: Solve for x
    x = 29,371,741,832.28/191,606.76
  6. Step 6: Final answer
    x = 153,291.78

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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.