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Finding the Fourth Proportional to 265,927.02, 366,978.78 and 145,068.27

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Solution

The fourth proportional to 265,927.02, 366,978.78 and 145,068.27 is: 200,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,927.02 : 366,978.78 = 145,068.27 : x
  2. Step 2: Convert to fraction form
    265,927.02/366,978.78 = 145,068.27/x
  3. Step 3: Cross multiply
    265,927.02x = 366,978.78 × 145,068.27
  4. Step 4: Simplify right side
    265,927.02x = 53,236,977,658.76
  5. Step 5: Solve for x
    x = 53,236,977,658.76/265,927.02
  6. Step 6: Final answer
    x = 200,193.94

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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.