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Finding the Fourth Proportional to 84,574.36, 116,716.48 and 46,848.64

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Solution

The fourth proportional to 84,574.36, 116,716.48 and 46,848.64 is: 64,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,574.36 : 116,716.48 = 46,848.64 : x
  2. Step 2: Convert to fraction form
    84,574.36/116,716.48 = 46,848.64/x
  3. Step 3: Cross multiply
    84,574.36x = 116,716.48 × 46,848.64
  4. Step 4: Simplify right side
    84,574.36x = 5,468,008,353.59
  5. Step 5: Solve for x
    x = 5,468,008,353.59/84,574.36
  6. Step 6: Final answer
    x = 64,653.26

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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.