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Finding the Fourth Proportional to 162,817.60, 244,111.20 and 62,939.20

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Solution

The fourth proportional to 162,817.60, 244,111.20 and 62,939.20 is: 94,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.60 : 244,111.20 = 62,939.20 : x
  2. Step 2: Convert to fraction form
    162,817.60/244,111.20 = 62,939.20/x
  3. Step 3: Cross multiply
    162,817.60x = 244,111.20 × 62,939.20
  4. Step 4: Simplify right side
    162,817.60x = 15,364,163,639.04
  5. Step 5: Solve for x
    x = 15,364,163,639.04/162,817.60
  6. Step 6: Final answer
    x = 94,364.27

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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.