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Finding the Fourth Proportional to 162,833.63, 244,255.23 and 138,990.84

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Solution

The fourth proportional to 162,833.63, 244,255.23 and 138,990.84 is: 208,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,833.63 : 244,255.23 = 138,990.84 : x
  2. Step 2: Convert to fraction form
    162,833.63/244,255.23 = 138,990.84/x
  3. Step 3: Cross multiply
    162,833.63x = 244,255.23 × 138,990.84
  4. Step 4: Simplify right side
    162,833.63x = 33,949,238,676.14
  5. Step 5: Solve for x
    x = 33,949,238,676.14/162,833.63
  6. Step 6: Final answer
    x = 208,490.35

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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.