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Finding the Fourth Proportional to 157,676.61, 236,550.57 and 52,499.73

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Solution

The fourth proportional to 157,676.61, 236,550.57 and 52,499.73 is: 78,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,676.61 : 236,550.57 = 52,499.73 : x
  2. Step 2: Convert to fraction form
    157,676.61/236,550.57 = 52,499.73/x
  3. Step 3: Cross multiply
    157,676.61x = 236,550.57 × 52,499.73
  4. Step 4: Simplify right side
    157,676.61x = 12,418,841,056.35
  5. Step 5: Solve for x
    x = 12,418,841,056.35/157,676.61
  6. Step 6: Final answer
    x = 78,761.47

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1.5x scale

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.