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Finding the Fourth Proportional to 170,026.56, 253,754.32 and 165,602.88

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Solution

The fourth proportional to 170,026.56, 253,754.32 and 165,602.88 is: 247,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,026.56 : 253,754.32 = 165,602.88 : x
  2. Step 2: Convert to fraction form
    170,026.56/253,754.32 = 165,602.88/x
  3. Step 3: Cross multiply
    170,026.56x = 253,754.32 × 165,602.88
  4. Step 4: Simplify right side
    170,026.56x = 42,022,446,204.44
  5. Step 5: Solve for x
    x = 42,022,446,204.44/170,026.56
  6. Step 6: Final answer
    x = 247,152.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.