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Finding the Fourth Proportional to 243,714.19, 365,578.78 and 66,224.97

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Solution

The fourth proportional to 243,714.19, 365,578.78 and 66,224.97 is: 99,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714.19 : 365,578.78 = 66,224.97 : x
  2. Step 2: Convert to fraction form
    243,714.19/365,578.78 = 66,224.97/x
  3. Step 3: Cross multiply
    243,714.19x = 365,578.78 × 66,224.97
  4. Step 4: Simplify right side
    243,714.19x = 24,210,443,738.14
  5. Step 5: Solve for x
    x = 24,210,443,738.14/243,714.19
  6. Step 6: Final answer
    x = 99,339.49

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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.