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Finding the Fourth Proportional to 108,164.88, 162,256.92 and 38,044.80

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Solution

The fourth proportional to 108,164.88, 162,256.92 and 38,044.80 is: 57,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,164.88 : 162,256.92 = 38,044.80 : x
  2. Step 2: Convert to fraction form
    108,164.88/162,256.92 = 38,044.80/x
  3. Step 3: Cross multiply
    108,164.88x = 162,256.92 × 38,044.80
  4. Step 4: Simplify right side
    108,164.88x = 6,173,032,070.02
  5. Step 5: Solve for x
    x = 6,173,032,070.02/108,164.88
  6. Step 6: Final answer
    x = 57,070.58

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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.