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Finding the Fourth Proportional to 104,754.33, 144,561.42 and 57,007.62

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Solution

The fourth proportional to 104,754.33, 144,561.42 and 57,007.62 is: 78,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.33 : 144,561.42 = 57,007.62 : x
  2. Step 2: Convert to fraction form
    104,754.33/144,561.42 = 57,007.62/x
  3. Step 3: Cross multiply
    104,754.33x = 144,561.42 × 57,007.62
  4. Step 4: Simplify right side
    104,754.33x = 8,241,102,498.02
  5. Step 5: Solve for x
    x = 8,241,102,498.02/104,754.33
  6. Step 6: Final answer
    x = 78,670.76

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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.