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Finding the Fourth Proportional to 255,466.19, 352,543.44 and 148,098.47

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Solution

The fourth proportional to 255,466.19, 352,543.44 and 148,098.47 is: 204,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,466.19 : 352,543.44 = 148,098.47 : x
  2. Step 2: Convert to fraction form
    255,466.19/352,543.44 = 148,098.47/x
  3. Step 3: Cross multiply
    255,466.19x = 352,543.44 × 148,098.47
  4. Step 4: Simplify right side
    255,466.19x = 52,211,142,309.82
  5. Step 5: Solve for x
    x = 52,211,142,309.82/255,466.19
  6. Step 6: Final answer
    x = 204,375.94

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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.