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Finding the Fourth Proportional to 265,530.60, 366,415.14 and 158,108.52

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Solution

The fourth proportional to 265,530.60, 366,415.14 and 158,108.52 is: 218,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,530.60 : 366,415.14 = 158,108.52 : x
  2. Step 2: Convert to fraction form
    265,530.60/366,415.14 = 158,108.52/x
  3. Step 3: Cross multiply
    265,530.60x = 366,415.14 × 158,108.52
  4. Step 4: Simplify right side
    265,530.60x = 57,933,355,490.99
  5. Step 5: Solve for x
    x = 57,933,355,490.99/265,530.60
  6. Step 6: Final answer
    x = 218,179.58

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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.