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Finding the Fourth Proportional to 163,038.60, 244,679.40 and 84,112.20

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Solution

The fourth proportional to 163,038.60, 244,679.40 and 84,112.20 is: 126,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,038.60 : 244,679.40 = 84,112.20 : x
  2. Step 2: Convert to fraction form
    163,038.60/244,679.40 = 84,112.20/x
  3. Step 3: Cross multiply
    163,038.60x = 244,679.40 × 84,112.20
  4. Step 4: Simplify right side
    163,038.60x = 20,580,522,628.68
  5. Step 5: Solve for x
    x = 20,580,522,628.68/163,038.60
  6. Step 6: Final answer
    x = 126,230.98

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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.