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Finding the Fourth Proportional to 172,218.48, 237,653.04 and 95,742.72

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Solution

The fourth proportional to 172,218.48, 237,653.04 and 95,742.72 is: 132,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,218.48 : 237,653.04 = 95,742.72 : x
  2. Step 2: Convert to fraction form
    172,218.48/237,653.04 = 95,742.72/x
  3. Step 3: Cross multiply
    172,218.48x = 237,653.04 × 95,742.72
  4. Step 4: Simplify right side
    172,218.48x = 22,753,548,465.87
  5. Step 5: Solve for x
    x = 22,753,548,465.87/172,218.48
  6. Step 6: Final answer
    x = 132,120.25

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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.