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Finding the Fourth Proportional to 173,269.28, 239,111.58 and 93,781.28

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Solution

The fourth proportional to 173,269.28, 239,111.58 and 93,781.28 is: 129,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,269.28 : 239,111.58 = 93,781.28 : x
  2. Step 2: Convert to fraction form
    173,269.28/239,111.58 = 93,781.28/x
  3. Step 3: Cross multiply
    173,269.28x = 239,111.58 × 93,781.28
  4. Step 4: Simplify right side
    173,269.28x = 22,424,190,035.22
  5. Step 5: Solve for x
    x = 22,424,190,035.22/173,269.28
  6. Step 6: Final answer
    x = 129,418.15

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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.