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Finding the Fourth Proportional to 157,551.75, 217,602.79 and 114,722.73

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Solution

The fourth proportional to 157,551.75, 217,602.79 and 114,722.73 is: 158,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,551.75 : 217,602.79 = 114,722.73 : x
  2. Step 2: Convert to fraction form
    157,551.75/217,602.79 = 114,722.73/x
  3. Step 3: Cross multiply
    157,551.75x = 217,602.79 × 114,722.73
  4. Step 4: Simplify right side
    157,551.75x = 24,963,985,837.61
  5. Step 5: Solve for x
    x = 24,963,985,837.61/157,551.75
  6. Step 6: Final answer
    x = 158,449.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.