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Finding the Fourth Proportional to 239,776, 359,681.28 and 92,032

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Solution

The fourth proportional to 239,776, 359,681.28 and 92,032 is: 138,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,776 : 359,681.28 = 92,032 : x
  2. Step 2: Convert to fraction form
    239,776/359,681.28 = 92,032/x
  3. Step 3: Cross multiply
    239,776x = 359,681.28 × 92,032
  4. Step 4: Simplify right side
    239,776x = 33,102,187,560.96
  5. Step 5: Solve for x
    x = 33,102,187,560.96/239,776
  6. Step 6: Final answer
    x = 138,054.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.