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Finding the Fourth Proportional to 157,706.34, 236,561.94 and 52,525.44

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Solution

The fourth proportional to 157,706.34, 236,561.94 and 52,525.44 is: 78,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,706.34 : 236,561.94 = 52,525.44 : x
  2. Step 2: Convert to fraction form
    157,706.34/236,561.94 = 52,525.44/x
  3. Step 3: Cross multiply
    157,706.34x = 236,561.94 × 52,525.44
  4. Step 4: Simplify right side
    157,706.34x = 12,425,519,985.75
  5. Step 5: Solve for x
    x = 12,425,519,985.75/157,706.34
  6. Step 6: Final answer
    x = 78,788.97

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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.