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Finding the Fourth Proportional to 238,932, 358,420.32 and 70,452.48

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Solution

The fourth proportional to 238,932, 358,420.32 and 70,452.48 is: 105,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,932 : 358,420.32 = 70,452.48 : x
  2. Step 2: Convert to fraction form
    238,932/358,420.32 = 70,452.48/x
  3. Step 3: Cross multiply
    238,932x = 358,420.32 × 70,452.48
  4. Step 4: Simplify right side
    238,932x = 25,251,600,426.39
  5. Step 5: Solve for x
    x = 25,251,600,426.39/238,932
  6. Step 6: Final answer
    x = 105,685.30

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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.