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Finding the Fourth Proportional to 243,649.86, 365,424.57 and 93,838.74

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Solution

The fourth proportional to 243,649.86, 365,424.57 and 93,838.74 is: 140,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,649.86 : 365,424.57 = 93,838.74 : x
  2. Step 2: Convert to fraction form
    243,649.86/365,424.57 = 93,838.74/x
  3. Step 3: Cross multiply
    243,649.86x = 365,424.57 × 93,838.74
  4. Step 4: Simplify right side
    243,649.86x = 34,290,981,213.84
  5. Step 5: Solve for x
    x = 34,290,981,213.84/243,649.86
  6. Step 6: Final answer
    x = 140,738.77

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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.