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Finding the Fourth Proportional to 238,610.16, 357,913.08 and 72,398.16

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Solution

The fourth proportional to 238,610.16, 357,913.08 and 72,398.16 is: 108,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,610.16 : 357,913.08 = 72,398.16 : x
  2. Step 2: Convert to fraction form
    238,610.16/357,913.08 = 72,398.16/x
  3. Step 3: Cross multiply
    238,610.16x = 357,913.08 × 72,398.16
  4. Step 4: Simplify right side
    238,610.16x = 25,912,248,431.93
  5. Step 5: Solve for x
    x = 25,912,248,431.93/238,610.16
  6. Step 6: Final answer
    x = 108,596.58

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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.