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Finding the Fourth Proportional to 126,410.41, 174,431.50 and 69,818.41

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Solution

The fourth proportional to 126,410.41, 174,431.50 and 69,818.41 is: 96,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,410.41 : 174,431.50 = 69,818.41 : x
  2. Step 2: Convert to fraction form
    126,410.41/174,431.50 = 69,818.41/x
  3. Step 3: Cross multiply
    126,410.41x = 174,431.50 × 69,818.41
  4. Step 4: Simplify right side
    126,410.41x = 12,178,529,983.92
  5. Step 5: Solve for x
    x = 12,178,529,983.92/126,410.41
  6. Step 6: Final answer
    x = 96,341.20

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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.