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Finding the Fourth Proportional to 273,260,979.88, 377,264,166.76 and 168,978,871.24

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Solution

The fourth proportional to 273,260,979.88, 377,264,166.76 and 168,978,871.24 is: 233,292,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,260,979.88 : 377,264,166.76 = 168,978,871.24 : x
  2. Step 2: Convert to fraction form
    273,260,979.88/377,264,166.76 = 168,978,871.24/x
  3. Step 3: Cross multiply
    273,260,979.88x = 377,264,166.76 × 168,978,871.24
  4. Step 4: Simplify right side
    273,260,979.88x = 63,749,673,058,403,928
  5. Step 5: Solve for x
    x = 63,749,673,058,403,928/273,260,979.88
  6. Step 6: Final answer
    x = 233,292,265.46

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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.