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Finding the Fourth Proportional to 238,764.36, 358,023.30 and 70,262.82

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Solution

The fourth proportional to 238,764.36, 358,023.30 and 70,262.82 is: 105,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.36 : 358,023.30 = 70,262.82 : x
  2. Step 2: Convert to fraction form
    238,764.36/358,023.30 = 70,262.82/x
  3. Step 3: Cross multiply
    238,764.36x = 358,023.30 × 70,262.82
  4. Step 4: Simplify right side
    238,764.36x = 25,155,726,683.71
  5. Step 5: Solve for x
    x = 25,155,726,683.71/238,764.36
  6. Step 6: Final answer
    x = 105,357.96

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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.