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Finding the Fourth Proportional to 173,213.75, 239,035.70 and 93,725.75

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Solution

The fourth proportional to 173,213.75, 239,035.70 and 93,725.75 is: 129,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,213.75 : 239,035.70 = 93,725.75 : x
  2. Step 2: Convert to fraction form
    173,213.75/239,035.70 = 93,725.75/x
  3. Step 3: Cross multiply
    173,213.75x = 239,035.70 × 93,725.75
  4. Step 4: Simplify right side
    173,213.75x = 22,403,800,259.28
  5. Step 5: Solve for x
    x = 22,403,800,259.28/173,213.75
  6. Step 6: Final answer
    x = 129,341.93

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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.