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Finding the Fourth Proportional to 143,953.66, 215,487.54 and 93,926.03

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Solution

The fourth proportional to 143,953.66, 215,487.54 and 93,926.03 is: 140,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,953.66 : 215,487.54 = 93,926.03 : x
  2. Step 2: Convert to fraction form
    143,953.66/215,487.54 = 93,926.03/x
  3. Step 3: Cross multiply
    143,953.66x = 215,487.54 × 93,926.03
  4. Step 4: Simplify right side
    143,953.66x = 20,239,889,281.35
  5. Step 5: Solve for x
    x = 20,239,889,281.35/143,953.66
  6. Step 6: Final answer
    x = 140,600.04

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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.