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Finding the Fourth Proportional to 272,042.36, 375,472.20 and 173,862.80

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Solution

The fourth proportional to 272,042.36, 375,472.20 and 173,862.80 is: 239,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,042.36 : 375,472.20 = 173,862.80 : x
  2. Step 2: Convert to fraction form
    272,042.36/375,472.20 = 173,862.80/x
  3. Step 3: Cross multiply
    272,042.36x = 375,472.20 × 173,862.80
  4. Step 4: Simplify right side
    272,042.36x = 65,280,648,014.16
  5. Step 5: Solve for x
    x = 65,280,648,014.16/272,042.36
  6. Step 6: Final answer
    x = 239,965.01

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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.