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Finding the Fourth Proportional to 162,393.80, 243,444.90 and 106,260.80

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Solution

The fourth proportional to 162,393.80, 243,444.90 and 106,260.80 is: 159,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,393.80 : 243,444.90 = 106,260.80 : x
  2. Step 2: Convert to fraction form
    162,393.80/243,444.90 = 106,260.80/x
  3. Step 3: Cross multiply
    162,393.80x = 243,444.90 × 106,260.80
  4. Step 4: Simplify right side
    162,393.80x = 25,868,649,829.92
  5. Step 5: Solve for x
    x = 25,868,649,829.92/162,393.80
  6. Step 6: Final answer
    x = 159,295.80

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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.