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Finding the Fourth Proportional to 103,935.32, 155,908.54 and 32,852.56

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Solution

The fourth proportional to 103,935.32, 155,908.54 and 32,852.56 is: 49,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,935.32 : 155,908.54 = 32,852.56 : x
  2. Step 2: Convert to fraction form
    103,935.32/155,908.54 = 32,852.56/x
  3. Step 3: Cross multiply
    103,935.32x = 155,908.54 × 32,852.56
  4. Step 4: Simplify right side
    103,935.32x = 5,121,994,664.86
  5. Step 5: Solve for x
    x = 5,121,994,664.86/103,935.32
  6. Step 6: Final answer
    x = 49,280.60

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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.