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Finding the Fourth Proportional to 255,104.64, 352,038.96 and 147,679.20

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Solution

The fourth proportional to 255,104.64, 352,038.96 and 147,679.20 is: 203,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,104.64 : 352,038.96 = 147,679.20 : x
  2. Step 2: Convert to fraction form
    255,104.64/352,038.96 = 147,679.20/x
  3. Step 3: Cross multiply
    255,104.64x = 352,038.96 × 147,679.20
  4. Step 4: Simplify right side
    255,104.64x = 51,988,831,981.63
  5. Step 5: Solve for x
    x = 51,988,831,981.63/255,104.64
  6. Step 6: Final answer
    x = 203,794.14

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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.