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Finding the Fourth Proportional to 169,658.50, 254,445.70 and 57,336.20

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Solution

The fourth proportional to 169,658.50, 254,445.70 and 57,336.20 is: 85,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,658.50 : 254,445.70 = 57,336.20 : x
  2. Step 2: Convert to fraction form
    169,658.50/254,445.70 = 57,336.20/x
  3. Step 3: Cross multiply
    169,658.50x = 254,445.70 × 57,336.20
  4. Step 4: Simplify right side
    169,658.50x = 14,588,949,544.34
  5. Step 5: Solve for x
    x = 14,588,949,544.34/169,658.50
  6. Step 6: Final answer
    x = 85,990.09

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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.