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Finding the Fourth Proportional to 114,690.69, 172,092.39 and 51,555.42

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Solution

The fourth proportional to 114,690.69, 172,092.39 and 51,555.42 is: 77,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,690.69 : 172,092.39 = 51,555.42 : x
  2. Step 2: Convert to fraction form
    114,690.69/172,092.39 = 51,555.42/x
  3. Step 3: Cross multiply
    114,690.69x = 172,092.39 × 51,555.42
  4. Step 4: Simplify right side
    114,690.69x = 8,872,295,445.25
  5. Step 5: Solve for x
    x = 8,872,295,445.25/114,690.69
  6. Step 6: Final answer
    x = 77,358.46

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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.