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Finding the Fourth Proportional to 265,841.78, 366,883.51 and 151,156.42

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Solution

The fourth proportional to 265,841.78, 366,883.51 and 151,156.42 is: 208,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,841.78 : 366,883.51 = 151,156.42 : x
  2. Step 2: Convert to fraction form
    265,841.78/366,883.51 = 151,156.42/x
  3. Step 3: Cross multiply
    265,841.78x = 366,883.51 × 151,156.42
  4. Step 4: Simplify right side
    265,841.78x = 55,456,796,633.53
  5. Step 5: Solve for x
    x = 55,456,796,633.53/265,841.78
  6. Step 6: Final answer
    x = 208,608.28

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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.