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Finding the Fourth Proportional to 169,616.40, 254,424.60 and 51,370.80

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Solution

The fourth proportional to 169,616.40, 254,424.60 and 51,370.80 is: 77,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,616.40 : 254,424.60 = 51,370.80 : x
  2. Step 2: Convert to fraction form
    169,616.40/254,424.60 = 51,370.80/x
  3. Step 3: Cross multiply
    169,616.40x = 254,424.60 × 51,370.80
  4. Step 4: Simplify right side
    169,616.40x = 13,069,995,241.68
  5. Step 5: Solve for x
    x = 13,069,995,241.68/169,616.40
  6. Step 6: Final answer
    x = 77,056.20

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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.