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Finding the Fourth Proportional to 108,354.21, 162,490.87 and 37,256.73

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Solution

The fourth proportional to 108,354.21, 162,490.87 and 37,256.73 is: 55,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,354.21 : 162,490.87 = 37,256.73 : x
  2. Step 2: Convert to fraction form
    108,354.21/162,490.87 = 37,256.73/x
  3. Step 3: Cross multiply
    108,354.21x = 162,490.87 × 37,256.73
  4. Step 4: Simplify right side
    108,354.21x = 6,053,878,471.06
  5. Step 5: Solve for x
    x = 6,053,878,471.06/108,354.21
  6. Step 6: Final answer
    x = 55,871.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.