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Finding the Fourth Proportional to 285,053.99, 427,695.19 and 107,611.34

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Solution

The fourth proportional to 285,053.99, 427,695.19 and 107,611.34 is: 161,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,053.99 : 427,695.19 = 107,611.34 : x
  2. Step 2: Convert to fraction form
    285,053.99/427,695.19 = 107,611.34/x
  3. Step 3: Cross multiply
    285,053.99x = 427,695.19 × 107,611.34
  4. Step 4: Simplify right side
    285,053.99x = 46,024,850,099.95
  5. Step 5: Solve for x
    x = 46,024,850,099.95/285,053.99
  6. Step 6: Final answer
    x = 161,460.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.