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Finding the Fourth Proportional to 169,826.20, 238,106.60 and 169,826.20

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Solution

The fourth proportional to 169,826.20, 238,106.60 and 169,826.20 is: 238,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,826.20 : 238,106.60 = 169,826.20 : x
  2. Step 2: Convert to fraction form
    169,826.20/238,106.60 = 169,826.20/x
  3. Step 3: Cross multiply
    169,826.20x = 238,106.60 × 169,826.20
  4. Step 4: Simplify right side
    169,826.20x = 40,436,739,072.92
  5. Step 5: Solve for x
    x = 40,436,739,072.92/169,826.20
  6. Step 6: Final answer
    x = 238,106.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.