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Finding the Fourth Proportional to 104,471.54, 144,166.68 and 56,723.80

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Solution

The fourth proportional to 104,471.54, 144,166.68 and 56,723.80 is: 78,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,471.54 : 144,166.68 = 56,723.80 : x
  2. Step 2: Convert to fraction form
    104,471.54/144,166.68 = 56,723.80/x
  3. Step 3: Cross multiply
    104,471.54x = 144,166.68 × 56,723.80
  4. Step 4: Simplify right side
    104,471.54x = 8,177,681,424.10
  5. Step 5: Solve for x
    x = 8,177,681,424.10/104,471.54
  6. Step 6: Final answer
    x = 78,276.64

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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.