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Finding the Fourth Proportional to 254,160.78, 350,705.45 and 152,161.84

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Solution

The fourth proportional to 254,160.78, 350,705.45 and 152,161.84 is: 209,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,160.78 : 350,705.45 = 152,161.84 : x
  2. Step 2: Convert to fraction form
    254,160.78/350,705.45 = 152,161.84/x
  3. Step 3: Cross multiply
    254,160.78x = 350,705.45 × 152,161.84
  4. Step 4: Simplify right side
    254,160.78x = 53,363,984,055.69
  5. Step 5: Solve for x
    x = 53,363,984,055.69/254,160.78
  6. Step 6: Final answer
    x = 209,961.52

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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.