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Finding the Fourth Proportional to 84,935.80, 117,208.42 and 46,695.07

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Solution

The fourth proportional to 84,935.80, 117,208.42 and 46,695.07 is: 64,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.80 : 117,208.42 = 46,695.07 : x
  2. Step 2: Convert to fraction form
    84,935.80/117,208.42 = 46,695.07/x
  3. Step 3: Cross multiply
    84,935.80x = 117,208.42 × 46,695.07
  4. Step 4: Simplify right side
    84,935.80x = 5,473,055,376.49
  5. Step 5: Solve for x
    x = 5,473,055,376.49/84,935.80
  6. Step 6: Final answer
    x = 64,437.56

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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.