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Finding the Fourth Proportional to 185,345.61, 255,774.15 and 104,770.29

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Solution

The fourth proportional to 185,345.61, 255,774.15 and 104,770.29 is: 144,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,345.61 : 255,774.15 = 104,770.29 : x
  2. Step 2: Convert to fraction form
    185,345.61/255,774.15 = 104,770.29/x
  3. Step 3: Cross multiply
    185,345.61x = 255,774.15 × 104,770.29
  4. Step 4: Simplify right side
    185,345.61x = 26,797,531,870.00
  5. Step 5: Solve for x
    x = 26,797,531,870.00/185,345.61
  6. Step 6: Final answer
    x = 144,581.42

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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.