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Finding the Fourth Proportional to 164,953.77, 247,555.05 and 120,694.71

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Solution

The fourth proportional to 164,953.77, 247,555.05 and 120,694.71 is: 181,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,953.77 : 247,555.05 = 120,694.71 : x
  2. Step 2: Convert to fraction form
    164,953.77/247,555.05 = 120,694.71/x
  3. Step 3: Cross multiply
    164,953.77x = 247,555.05 × 120,694.71
  4. Step 4: Simplify right side
    164,953.77x = 29,878,584,968.79
  5. Step 5: Solve for x
    x = 29,878,584,968.79/164,953.77
  6. Step 6: Final answer
    x = 181,133.08

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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.