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Finding the Fourth Proportional to 143,244.64, 214,774.80 and 93,939.04

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Solution

The fourth proportional to 143,244.64, 214,774.80 and 93,939.04 is: 140,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,244.64 : 214,774.80 = 93,939.04 : x
  2. Step 2: Convert to fraction form
    143,244.64/214,774.80 = 93,939.04/x
  3. Step 3: Cross multiply
    143,244.64x = 214,774.80 × 93,939.04
  4. Step 4: Simplify right side
    143,244.64x = 20,175,738,528.19
  5. Step 5: Solve for x
    x = 20,175,738,528.19/143,244.64
  6. Step 6: Final answer
    x = 140,848.12

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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.