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Finding the Fourth Proportional to 157,995.82, 236,993.76 and 52,814.80

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Solution

The fourth proportional to 157,995.82, 236,993.76 and 52,814.80 is: 79,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,995.82 : 236,993.76 = 52,814.80 : x
  2. Step 2: Convert to fraction form
    157,995.82/236,993.76 = 52,814.80/x
  3. Step 3: Cross multiply
    157,995.82x = 236,993.76 × 52,814.80
  4. Step 4: Simplify right side
    157,995.82x = 12,516,778,035.65
  5. Step 5: Solve for x
    x = 12,516,778,035.65/157,995.82
  6. Step 6: Final answer
    x = 79,222.21

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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.