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Finding the Fourth Proportional to 255,324.31, 352,294.14 and 147,887.94

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Solution

The fourth proportional to 255,324.31, 352,294.14 and 147,887.94 is: 204,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,324.31 : 352,294.14 = 147,887.94 : x
  2. Step 2: Convert to fraction form
    255,324.31/352,294.14 = 147,887.94/x
  3. Step 3: Cross multiply
    255,324.31x = 352,294.14 × 147,887.94
  4. Step 4: Simplify right side
    255,324.31x = 52,100,054,638.67
  5. Step 5: Solve for x
    x = 52,100,054,638.67/255,324.31
  6. Step 6: Final answer
    x = 204,054.42

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1.5x scale

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.