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Finding the Fourth Proportional to 255,432.98, 352,497.45 and 148,065.32

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Solution

The fourth proportional to 255,432.98, 352,497.45 and 148,065.32 is: 204,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,432.98 : 352,497.45 = 148,065.32 : x
  2. Step 2: Convert to fraction form
    255,432.98/352,497.45 = 148,065.32/x
  3. Step 3: Cross multiply
    255,432.98x = 352,497.45 × 148,065.32
  4. Step 4: Simplify right side
    255,432.98x = 52,192,647,733.43
  5. Step 5: Solve for x
    x = 52,192,647,733.43/255,432.98
  6. Step 6: Final answer
    x = 204,330.11

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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.