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Finding the Fourth Proportional to 162,848.20, 244,264.20 and 83,970.40

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Solution

The fourth proportional to 162,848.20, 244,264.20 and 83,970.40 is: 125,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,848.20 : 244,264.20 = 83,970.40 : x
  2. Step 2: Convert to fraction form
    162,848.20/244,264.20 = 83,970.40/x
  3. Step 3: Cross multiply
    162,848.20x = 244,264.20 × 83,970.40
  4. Step 4: Simplify right side
    162,848.20x = 20,510,962,579.68
  5. Step 5: Solve for x
    x = 20,510,962,579.68/162,848.20
  6. Step 6: Final answer
    x = 125,951.42

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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.