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Finding the Fourth Proportional to 93,675.96, 140,526.90 and 38,259

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Solution

The fourth proportional to 93,675.96, 140,526.90 and 38,259 is: 57,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,675.96 : 140,526.90 = 38,259 : x
  2. Step 2: Convert to fraction form
    93,675.96/140,526.90 = 38,259/x
  3. Step 3: Cross multiply
    93,675.96x = 140,526.90 × 38,259
  4. Step 4: Simplify right side
    93,675.96x = 5,376,418,667.10
  5. Step 5: Solve for x
    x = 5,376,418,667.10/93,675.96
  6. Step 6: Final answer
    x = 57,393.79

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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.