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Finding the Fourth Proportional to 68,601.66, 102,921.93 and 35,345.94

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Solution

The fourth proportional to 68,601.66, 102,921.93 and 35,345.94 is: 53,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601.66 : 102,921.93 = 35,345.94 : x
  2. Step 2: Convert to fraction form
    68,601.66/102,921.93 = 35,345.94/x
  3. Step 3: Cross multiply
    68,601.66x = 102,921.93 × 35,345.94
  4. Step 4: Simplify right side
    68,601.66x = 3,637,872,362.46
  5. Step 5: Solve for x
    x = 3,637,872,362.46/68,601.66
  6. Step 6: Final answer
    x = 53,028.93

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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.