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Finding the Fourth Proportional to 185,253.69, 255,646.74 and 104,679.48

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Solution

The fourth proportional to 185,253.69, 255,646.74 and 104,679.48 is: 144,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,253.69 : 255,646.74 = 104,679.48 : x
  2. Step 2: Convert to fraction form
    185,253.69/255,646.74 = 104,679.48/x
  3. Step 3: Cross multiply
    185,253.69x = 255,646.74 × 104,679.48
  4. Step 4: Simplify right side
    185,253.69x = 26,760,966,528.66
  5. Step 5: Solve for x
    x = 26,760,966,528.66/185,253.69
  6. Step 6: Final answer
    x = 144,455.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.