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Finding the Fourth Proportional to 238,431.96, 357,699.78 and 72,232.92

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Solution

The fourth proportional to 238,431.96, 357,699.78 and 72,232.92 is: 108,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.96 : 357,699.78 = 72,232.92 : x
  2. Step 2: Convert to fraction form
    238,431.96/357,699.78 = 72,232.92/x
  3. Step 3: Cross multiply
    238,431.96x = 357,699.78 × 72,232.92
  4. Step 4: Simplify right side
    238,431.96x = 25,837,699,592.76
  5. Step 5: Solve for x
    x = 25,837,699,592.76/238,431.96
  6. Step 6: Final answer
    x = 108,365.08

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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.