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Finding the Fourth Proportional to 172,240.88, 237,671.16 and 99,656.24

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Solution

The fourth proportional to 172,240.88, 237,671.16 and 99,656.24 is: 137,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,240.88 : 237,671.16 = 99,656.24 : x
  2. Step 2: Convert to fraction form
    172,240.88/237,671.16 = 99,656.24/x
  3. Step 3: Cross multiply
    172,240.88x = 237,671.16 × 99,656.24
  4. Step 4: Simplify right side
    172,240.88x = 23,685,414,162.04
  5. Step 5: Solve for x
    x = 23,685,414,162.04/172,240.88
  6. Step 6: Final answer
    x = 137,513.31

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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.