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Finding the Fourth Proportional to 255,240.04, 352,308.72 and 147,836.44

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Solution

The fourth proportional to 255,240.04, 352,308.72 and 147,836.44 is: 204,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,240.04 : 352,308.72 = 147,836.44 : x
  2. Step 2: Convert to fraction form
    255,240.04/352,308.72 = 147,836.44/x
  3. Step 3: Cross multiply
    255,240.04x = 352,308.72 × 147,836.44
  4. Step 4: Simplify right side
    255,240.04x = 52,084,066,945.76
  5. Step 5: Solve for x
    x = 52,084,066,945.76/255,240.04
  6. Step 6: Final answer
    x = 204,059.16

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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.