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Finding the Fourth Proportional to 169,924.70, 254,887.05 and 51,590.30

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Solution

The fourth proportional to 169,924.70, 254,887.05 and 51,590.30 is: 77,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,924.70 : 254,887.05 = 51,590.30 : x
  2. Step 2: Convert to fraction form
    169,924.70/254,887.05 = 51,590.30/x
  3. Step 3: Cross multiply
    169,924.70x = 254,887.05 × 51,590.30
  4. Step 4: Simplify right side
    169,924.70x = 13,149,699,375.62
  5. Step 5: Solve for x
    x = 13,149,699,375.62/169,924.70
  6. Step 6: Final answer
    x = 77,385.45

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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.