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Finding the Fourth Proportional to 157,426.70, 236,118.45 and 52,234.70

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Solution

The fourth proportional to 157,426.70, 236,118.45 and 52,234.70 is: 78,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.70 : 236,118.45 = 52,234.70 : x
  2. Step 2: Convert to fraction form
    157,426.70/236,118.45 = 52,234.70/x
  3. Step 3: Cross multiply
    157,426.70x = 236,118.45 × 52,234.70
  4. Step 4: Simplify right side
    157,426.70x = 12,333,576,400.22
  5. Step 5: Solve for x
    x = 12,333,576,400.22/157,426.70
  6. Step 6: Final answer
    x = 78,344.88

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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.