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Finding the Fourth Proportional to 172,451.63, 237,978.36 and 95,969.51

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Solution

The fourth proportional to 172,451.63, 237,978.36 and 95,969.51 is: 132,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451.63 : 237,978.36 = 95,969.51 : x
  2. Step 2: Convert to fraction form
    172,451.63/237,978.36 = 95,969.51/x
  3. Step 3: Cross multiply
    172,451.63x = 237,978.36 × 95,969.51
  4. Step 4: Simplify right side
    172,451.63x = 22,838,665,409.91
  5. Step 5: Solve for x
    x = 22,838,665,409.91/172,451.63
  6. Step 6: Final answer
    x = 132,435.20

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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.