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Finding the Fourth Proportional to 245,908.55, 368,912.54 and 103,754.17

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Solution

The fourth proportional to 245,908.55, 368,912.54 and 103,754.17 is: 155,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,908.55 : 368,912.54 = 103,754.17 : x
  2. Step 2: Convert to fraction form
    245,908.55/368,912.54 = 103,754.17/x
  3. Step 3: Cross multiply
    245,908.55x = 368,912.54 × 103,754.17
  4. Step 4: Simplify right side
    245,908.55x = 38,276,214,390.29
  5. Step 5: Solve for x
    x = 38,276,214,390.29/245,908.55
  6. Step 6: Final answer
    x = 155,652.23

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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.