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Finding the Fourth Proportional to 169,637.70, 254,456.55 and 165,701.10

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Solution

The fourth proportional to 169,637.70, 254,456.55 and 165,701.10 is: 248,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,637.70 : 254,456.55 = 165,701.10 : x
  2. Step 2: Convert to fraction form
    169,637.70/254,456.55 = 165,701.10/x
  3. Step 3: Cross multiply
    169,637.70x = 254,456.55 × 165,701.10
  4. Step 4: Simplify right side
    169,637.70x = 42,163,730,237.21
  5. Step 5: Solve for x
    x = 42,163,730,237.21/169,637.70
  6. Step 6: Final answer
    x = 248,551.65

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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.