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Finding the Fourth Proportional to 265,263.62, 366,022.68 and 152,064.50

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Solution

The fourth proportional to 265,263.62, 366,022.68 and 152,064.50 is: 209,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,263.62 : 366,022.68 = 152,064.50 : x
  2. Step 2: Convert to fraction form
    265,263.62/366,022.68 = 152,064.50/x
  3. Step 3: Cross multiply
    265,263.62x = 366,022.68 × 152,064.50
  4. Step 4: Simplify right side
    265,263.62x = 55,659,055,822.86
  5. Step 5: Solve for x
    x = 55,659,055,822.86/265,263.62
  6. Step 6: Final answer
    x = 209,825.44

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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.