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Finding the Fourth Proportional to 185,253.31, 255,646.23 and 104,679.10

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Solution

The fourth proportional to 185,253.31, 255,646.23 and 104,679.10 is: 144,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,253.31 : 255,646.23 = 104,679.10 : x
  2. Step 2: Convert to fraction form
    185,253.31/255,646.23 = 104,679.10/x
  3. Step 3: Cross multiply
    185,253.31x = 255,646.23 × 104,679.10
  4. Step 4: Simplify right side
    185,253.31x = 26,760,816,751.40
  5. Step 5: Solve for x
    x = 26,760,816,751.40/185,253.31
  6. Step 6: Final answer
    x = 144,455.27

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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.