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Finding the Fourth Proportional to 162,816.40, 244,224.60 and 57,621.70

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Solution

The fourth proportional to 162,816.40, 244,224.60 and 57,621.70 is: 86,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,816.40 : 244,224.60 = 57,621.70 : x
  2. Step 2: Convert to fraction form
    162,816.40/244,224.60 = 57,621.70/x
  3. Step 3: Cross multiply
    162,816.40x = 244,224.60 × 57,621.70
  4. Step 4: Simplify right side
    162,816.40x = 14,072,636,633.82
  5. Step 5: Solve for x
    x = 14,072,636,633.82/162,816.40
  6. Step 6: Final answer
    x = 86,432.55

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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.