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Finding the Fourth Proportional to 191,660.83, 264,351.54 and 127,013.11

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Solution

The fourth proportional to 191,660.83, 264,351.54 and 127,013.11 is: 175,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,660.83 : 264,351.54 = 127,013.11 : x
  2. Step 2: Convert to fraction form
    191,660.83/264,351.54 = 127,013.11/x
  3. Step 3: Cross multiply
    191,660.83x = 264,351.54 × 127,013.11
  4. Step 4: Simplify right side
    191,660.83x = 33,576,111,228.69
  5. Step 5: Solve for x
    x = 33,576,111,228.69/191,660.83
  6. Step 6: Final answer
    x = 175,185.05

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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.