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Finding the Fourth Proportional to 178,614.94, 268,991.64 and 162,671.71

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Solution

The fourth proportional to 178,614.94, 268,991.64 and 162,671.71 is: 244,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,614.94 : 268,991.64 = 162,671.71 : x
  2. Step 2: Convert to fraction form
    178,614.94/268,991.64 = 162,671.71/x
  3. Step 3: Cross multiply
    178,614.94x = 268,991.64 × 162,671.71
  4. Step 4: Simplify right side
    178,614.94x = 43,757,330,054.50
  5. Step 5: Solve for x
    x = 43,757,330,054.50/178,614.94
  6. Step 6: Final answer
    x = 244,981.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.