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Finding the Fourth Proportional to 336,737.78, 505,128.54 and 100,060.64

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Solution

The fourth proportional to 336,737.78, 505,128.54 and 100,060.64 is: 150,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,737.78 : 505,128.54 = 100,060.64 : x
  2. Step 2: Convert to fraction form
    336,737.78/505,128.54 = 100,060.64/x
  3. Step 3: Cross multiply
    336,737.78x = 505,128.54 × 100,060.64
  4. Step 4: Simplify right side
    336,737.78x = 50,543,484,994.67
  5. Step 5: Solve for x
    x = 50,543,484,994.67/336,737.78
  6. Step 6: Final answer
    x = 150,097.46

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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.