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Finding the Fourth Proportional to 354,032.02, 531,100.42 and 114,065.49

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Solution

The fourth proportional to 354,032.02, 531,100.42 and 114,065.49 is: 171,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,032.02 : 531,100.42 = 114,065.49 : x
  2. Step 2: Convert to fraction form
    354,032.02/531,100.42 = 114,065.49/x
  3. Step 3: Cross multiply
    354,032.02x = 531,100.42 × 114,065.49
  4. Step 4: Simplify right side
    354,032.02x = 60,580,230,180.06
  5. Step 5: Solve for x
    x = 60,580,230,180.06/354,032.02
  6. Step 6: Final answer
    x = 171,115.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.