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Finding the Fourth Proportional to 157,771.55, 236,669.62 and 52,590.52

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Solution

The fourth proportional to 157,771.55, 236,669.62 and 52,590.52 is: 78,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,771.55 : 236,669.62 = 52,590.52 : x
  2. Step 2: Convert to fraction form
    157,771.55/236,669.62 = 52,590.52/x
  3. Step 3: Cross multiply
    157,771.55x = 236,669.62 × 52,590.52
  4. Step 4: Simplify right side
    157,771.55x = 12,446,577,463.61
  5. Step 5: Solve for x
    x = 12,446,577,463.61/157,771.55
  6. Step 6: Final answer
    x = 78,889.87

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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.