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Finding the Fourth Proportional to 169,969, 254,958.90 and 51,641.37

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Solution

The fourth proportional to 169,969, 254,958.90 and 51,641.37 is: 77,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,969 : 254,958.90 = 51,641.37 : x
  2. Step 2: Convert to fraction form
    169,969/254,958.90 = 51,641.37/x
  3. Step 3: Cross multiply
    169,969x = 254,958.90 × 51,641.37
  4. Step 4: Simplify right side
    169,969x = 13,166,426,889.69
  5. Step 5: Solve for x
    x = 13,166,426,889.69/169,969
  6. Step 6: Final answer
    x = 77,463.70

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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.