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Finding the Fourth Proportional to 169,853.10, 254,880.45 and 64,682.70

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Solution

The fourth proportional to 169,853.10, 254,880.45 and 64,682.70 is: 97,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.10 : 254,880.45 = 64,682.70 : x
  2. Step 2: Convert to fraction form
    169,853.10/254,880.45 = 64,682.70/x
  3. Step 3: Cross multiply
    169,853.10x = 254,880.45 × 64,682.70
  4. Step 4: Simplify right side
    169,853.10x = 16,486,355,683.22
  5. Step 5: Solve for x
    x = 16,486,355,683.22/169,853.10
  6. Step 6: Final answer
    x = 97,062.44

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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.