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Finding the Fourth Proportional to 104,157.42, 143,737.29 and 56,410.98

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Solution

The fourth proportional to 104,157.42, 143,737.29 and 56,410.98 is: 77,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,157.42 : 143,737.29 = 56,410.98 : x
  2. Step 2: Convert to fraction form
    104,157.42/143,737.29 = 56,410.98/x
  3. Step 3: Cross multiply
    104,157.42x = 143,737.29 × 56,410.98
  4. Step 4: Simplify right side
    104,157.42x = 8,108,361,391.44
  5. Step 5: Solve for x
    x = 8,108,361,391.44/104,157.42
  6. Step 6: Final answer
    x = 77,847.18

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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.