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Finding the Fourth Proportional to 169,791.96, 254,724.72 and 51,472.23

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Solution

The fourth proportional to 169,791.96, 254,724.72 and 51,472.23 is: 77,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.96 : 254,724.72 = 51,472.23 : x
  2. Step 2: Convert to fraction form
    169,791.96/254,724.72 = 51,472.23/x
  3. Step 3: Cross multiply
    169,791.96x = 254,724.72 × 51,472.23
  4. Step 4: Simplify right side
    169,791.96x = 13,111,249,374.53
  5. Step 5: Solve for x
    x = 13,111,249,374.53/169,791.96
  6. Step 6: Final answer
    x = 77,219.49

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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.