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Finding the Fourth Proportional to 169,560.40, 254,369.76 and 69,774.88

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Solution

The fourth proportional to 169,560.40, 254,369.76 and 69,774.88 is: 104,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,560.40 : 254,369.76 = 69,774.88 : x
  2. Step 2: Convert to fraction form
    169,560.40/254,369.76 = 69,774.88/x
  3. Step 3: Cross multiply
    169,560.40x = 254,369.76 × 69,774.88
  4. Step 4: Simplify right side
    169,560.40x = 17,748,619,479.63
  5. Step 5: Solve for x
    x = 17,748,619,479.63/169,560.40
  6. Step 6: Final answer
    x = 104,674.32

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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.