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Finding the Fourth Proportional to 157,573.82, 236,360.76 and 52,393.70

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Solution

The fourth proportional to 157,573.82, 236,360.76 and 52,393.70 is: 78,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,573.82 : 236,360.76 = 52,393.70 : x
  2. Step 2: Convert to fraction form
    157,573.82/236,360.76 = 52,393.70/x
  3. Step 3: Cross multiply
    157,573.82x = 236,360.76 × 52,393.70
  4. Step 4: Simplify right side
    157,573.82x = 12,383,814,751.21
  5. Step 5: Solve for x
    x = 12,383,814,751.21/157,573.82
  6. Step 6: Final answer
    x = 78,590.56

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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.