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Finding the Fourth Proportional to 126,491.66, 174,558.66 and 69,903.05

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Solution

The fourth proportional to 126,491.66, 174,558.66 and 69,903.05 is: 96,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491.66 : 174,558.66 = 69,903.05 : x
  2. Step 2: Convert to fraction form
    126,491.66/174,558.66 = 69,903.05/x
  3. Step 3: Cross multiply
    126,491.66x = 174,558.66 × 69,903.05
  4. Step 4: Simplify right side
    126,491.66x = 12,202,182,737.91
  5. Step 5: Solve for x
    x = 12,202,182,737.91/126,491.66
  6. Step 6: Final answer
    x = 96,466.30

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1.5x scale

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.