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Finding the Fourth Proportional to 164,740.54, 247,110.81 and 40,080.46

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Solution

The fourth proportional to 164,740.54, 247,110.81 and 40,080.46 is: 60,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,740.54 : 247,110.81 = 40,080.46 : x
  2. Step 2: Convert to fraction form
    164,740.54/247,110.81 = 40,080.46/x
  3. Step 3: Cross multiply
    164,740.54x = 247,110.81 × 40,080.46
  4. Step 4: Simplify right side
    164,740.54x = 9,904,314,935.77
  5. Step 5: Solve for x
    x = 9,904,314,935.77/164,740.54
  6. Step 6: Final answer
    x = 60,120.69

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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.