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Finding the Fourth Proportional to 81,838.07, 112,935.43 and 46,028.07

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Solution

The fourth proportional to 81,838.07, 112,935.43 and 46,028.07 is: 63,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,838.07 : 112,935.43 = 46,028.07 : x
  2. Step 2: Convert to fraction form
    81,838.07/112,935.43 = 46,028.07/x
  3. Step 3: Cross multiply
    81,838.07x = 112,935.43 × 46,028.07
  4. Step 4: Simplify right side
    81,838.07x = 5,198,200,058.51
  5. Step 5: Solve for x
    x = 5,198,200,058.51/81,838.07
  6. Step 6: Final answer
    x = 63,518.12

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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.