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Finding the Fourth Proportional to 185,264.66, 255,653.37 and 103,599.65

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Solution

The fourth proportional to 185,264.66, 255,653.37 and 103,599.65 is: 142,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,264.66 : 255,653.37 = 103,599.65 : x
  2. Step 2: Convert to fraction form
    185,264.66/255,653.37 = 103,599.65/x
  3. Step 3: Cross multiply
    185,264.66x = 255,653.37 × 103,599.65
  4. Step 4: Simplify right side
    185,264.66x = 26,485,600,292.45
  5. Step 5: Solve for x
    x = 26,485,600,292.45/185,264.66
  6. Step 6: Final answer
    x = 142,960.89

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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.