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Finding the Fourth Proportional to 238,445.68, 357,667.12 and 60,952.40

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Solution

The fourth proportional to 238,445.68, 357,667.12 and 60,952.40 is: 91,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,445.68 : 357,667.12 = 60,952.40 : x
  2. Step 2: Convert to fraction form
    238,445.68/357,667.12 = 60,952.40/x
  3. Step 3: Cross multiply
    238,445.68x = 357,667.12 × 60,952.40
  4. Step 4: Simplify right side
    238,445.68x = 21,800,669,365.09
  5. Step 5: Solve for x
    x = 21,800,669,365.09/238,445.68
  6. Step 6: Final answer
    x = 91,428.24

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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.