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Finding the Fourth Proportional to 108,649.70, 162,960.71 and 42,044.27

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Solution

The fourth proportional to 108,649.70, 162,960.71 and 42,044.27 is: 63,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,649.70 : 162,960.71 = 42,044.27 : x
  2. Step 2: Convert to fraction form
    108,649.70/162,960.71 = 42,044.27/x
  3. Step 3: Cross multiply
    108,649.70x = 162,960.71 × 42,044.27
  4. Step 4: Simplify right side
    108,649.70x = 6,851,563,302.11
  5. Step 5: Solve for x
    x = 6,851,563,302.11/108,649.70
  6. Step 6: Final answer
    x = 63,061.04

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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.