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Finding the Fourth Proportional to 173,805.59, 239,727.81 and 159,511.50

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Solution

The fourth proportional to 173,805.59, 239,727.81 and 159,511.50 is: 220,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,805.59 : 239,727.81 = 159,511.50 : x
  2. Step 2: Convert to fraction form
    173,805.59/239,727.81 = 159,511.50/x
  3. Step 3: Cross multiply
    173,805.59x = 239,727.81 × 159,511.50
  4. Step 4: Simplify right side
    173,805.59x = 38,239,341,366.18
  5. Step 5: Solve for x
    x = 38,239,341,366.18/173,805.59
  6. Step 6: Final answer
    x = 220,012.15

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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.