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Finding the Fourth Proportional to 258,106.88, 356,125.20 and 150,615.56

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Solution

The fourth proportional to 258,106.88, 356,125.20 and 150,615.56 is: 207,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,106.88 : 356,125.20 = 150,615.56 : x
  2. Step 2: Convert to fraction form
    258,106.88/356,125.20 = 150,615.56/x
  3. Step 3: Cross multiply
    258,106.88x = 356,125.20 × 150,615.56
  4. Step 4: Simplify right side
    258,106.88x = 53,637,996,428.11
  5. Step 5: Solve for x
    x = 53,637,996,428.11/258,106.88
  6. Step 6: Final answer
    x = 207,813.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.