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Finding the Fourth Proportional to 126,099.47, 174,018.44 and 69,512.87

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Solution

The fourth proportional to 126,099.47, 174,018.44 and 69,512.87 is: 95,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,099.47 : 174,018.44 = 69,512.87 : x
  2. Step 2: Convert to fraction form
    126,099.47/174,018.44 = 69,512.87/x
  3. Step 3: Cross multiply
    126,099.47x = 174,018.44 × 69,512.87
  4. Step 4: Simplify right side
    126,099.47x = 12,096,520,849.76
  5. Step 5: Solve for x
    x = 12,096,520,849.76/126,099.47
  6. Step 6: Final answer
    x = 95,928.40

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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.