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Finding the Fourth Proportional to 265,611, 366,543.18 and 146,379

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Solution

The fourth proportional to 265,611, 366,543.18 and 146,379 is: 202,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,611 : 366,543.18 = 146,379 : x
  2. Step 2: Convert to fraction form
    265,611/366,543.18 = 146,379/x
  3. Step 3: Cross multiply
    265,611x = 366,543.18 × 146,379
  4. Step 4: Simplify right side
    265,611x = 53,654,224,145.22
  5. Step 5: Solve for x
    x = 53,654,224,145.22/265,611
  6. Step 6: Final answer
    x = 202,003.02

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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.