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Finding the Fourth Proportional to 191,661.83, 264,352.92 and 127,014.11

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Solution

The fourth proportional to 191,661.83, 264,352.92 and 127,014.11 is: 175,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,661.83 : 264,352.92 = 127,014.11 : x
  2. Step 2: Convert to fraction form
    191,661.83/264,352.92 = 127,014.11/x
  3. Step 3: Cross multiply
    191,661.83x = 264,352.92 × 127,014.11
  4. Step 4: Simplify right side
    191,661.83x = 33,576,550,859.70
  5. Step 5: Solve for x
    x = 33,576,550,859.70/191,661.83
  6. Step 6: Final answer
    x = 175,186.43

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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.