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Finding the Fourth Proportional to 172,090.24, 237,486 and 96,645.76

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Solution

The fourth proportional to 172,090.24, 237,486 and 96,645.76 is: 133,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,090.24 : 237,486 = 96,645.76 : x
  2. Step 2: Convert to fraction form
    172,090.24/237,486 = 96,645.76/x
  3. Step 3: Cross multiply
    172,090.24x = 237,486 × 96,645.76
  4. Step 4: Simplify right side
    172,090.24x = 22,952,014,959.36
  5. Step 5: Solve for x
    x = 22,952,014,959.36/172,090.24
  6. Step 6: Final answer
    x = 133,371.97

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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.