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Finding the Fourth Proportional to 126,461.66, 174,516.73 and 69,872.63

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Solution

The fourth proportional to 126,461.66, 174,516.73 and 69,872.63 is: 96,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.66 : 174,516.73 = 69,872.63 : x
  2. Step 2: Convert to fraction form
    126,461.66/174,516.73 = 69,872.63/x
  3. Step 3: Cross multiply
    126,461.66x = 174,516.73 × 69,872.63
  4. Step 4: Simplify right side
    126,461.66x = 12,193,941,856.83
  5. Step 5: Solve for x
    x = 12,193,941,856.83/126,461.66
  6. Step 6: Final answer
    x = 96,424.03

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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.