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Finding the Fourth Proportional to 84,261.60, 116,288.64 and 46,548

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Solution

The fourth proportional to 84,261.60, 116,288.64 and 46,548 is: 64,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,261.60 : 116,288.64 = 46,548 : x
  2. Step 2: Convert to fraction form
    84,261.60/116,288.64 = 46,548/x
  3. Step 3: Cross multiply
    84,261.60x = 116,288.64 × 46,548
  4. Step 4: Simplify right side
    84,261.60x = 5,413,003,614.72
  5. Step 5: Solve for x
    x = 5,413,003,614.72/84,261.60
  6. Step 6: Final answer
    x = 64,240.46

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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.