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Finding the Fourth Proportional to 126,360.68, 174,384.77 and 69,005.32

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Solution

The fourth proportional to 126,360.68, 174,384.77 and 69,005.32 is: 95,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.68 : 174,384.77 = 69,005.32 : x
  2. Step 2: Convert to fraction form
    126,360.68/174,384.77 = 69,005.32/x
  3. Step 3: Cross multiply
    126,360.68x = 174,384.77 × 69,005.32
  4. Step 4: Simplify right side
    126,360.68x = 12,033,476,658.22
  5. Step 5: Solve for x
    x = 12,033,476,658.22/126,360.68
  6. Step 6: Final answer
    x = 95,231.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.