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Finding the Fourth Proportional to 265,747.98, 366,718.30 and 151,011.28

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Solution

The fourth proportional to 265,747.98, 366,718.30 and 151,011.28 is: 208,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,747.98 : 366,718.30 = 151,011.28 : x
  2. Step 2: Convert to fraction form
    265,747.98/366,718.30 = 151,011.28/x
  3. Step 3: Cross multiply
    265,747.98x = 366,718.30 × 151,011.28
  4. Step 4: Simplify right side
    265,747.98x = 55,378,599,882.42
  5. Step 5: Solve for x
    x = 55,378,599,882.42/265,747.98
  6. Step 6: Final answer
    x = 208,387.66

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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.