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Finding the Fourth Proportional to 265,877.14, 366,932.19 and 151,191.70

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Solution

The fourth proportional to 265,877.14, 366,932.19 and 151,191.70 is: 208,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,877.14 : 366,932.19 = 151,191.70 : x
  2. Step 2: Convert to fraction form
    265,877.14/366,932.19 = 151,191.70/x
  3. Step 3: Cross multiply
    265,877.14x = 366,932.19 × 151,191.70
  4. Step 4: Simplify right side
    265,877.14x = 55,477,101,590.82
  5. Step 5: Solve for x
    x = 55,477,101,590.82/265,877.14
  6. Step 6: Final answer
    x = 208,656.91

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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.