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Finding the Fourth Proportional to 169,534.40, 254,384.22 and 69,724.52

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Solution

The fourth proportional to 169,534.40, 254,384.22 and 69,724.52 is: 104,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,534.40 : 254,384.22 = 69,724.52 : x
  2. Step 2: Convert to fraction form
    169,534.40/254,384.22 = 69,724.52/x
  3. Step 3: Cross multiply
    169,534.40x = 254,384.22 × 69,724.52
  4. Step 4: Simplify right side
    169,534.40x = 17,736,817,635.07
  5. Step 5: Solve for x
    x = 17,736,817,635.07/169,534.40
  6. Step 6: Final answer
    x = 104,620.76

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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.