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Finding the Fourth Proportional to 238,315, 357,472.21 and 60,822.03

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Solution

The fourth proportional to 238,315, 357,472.21 and 60,822.03 is: 91,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,315 : 357,472.21 = 60,822.03 : x
  2. Step 2: Convert to fraction form
    238,315/357,472.21 = 60,822.03/x
  3. Step 3: Cross multiply
    238,315x = 357,472.21 × 60,822.03
  4. Step 4: Simplify right side
    238,315x = 21,742,185,480.79
  5. Step 5: Solve for x
    x = 21,742,185,480.79/238,315
  6. Step 6: Final answer
    x = 91,232.97

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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.