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Finding the Fourth Proportional to 68,695.19, 94,750.17 and 63,048.14

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Solution

The fourth proportional to 68,695.19, 94,750.17 and 63,048.14 is: 86,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,695.19 : 94,750.17 = 63,048.14 : x
  2. Step 2: Convert to fraction form
    68,695.19/94,750.17 = 63,048.14/x
  3. Step 3: Cross multiply
    68,695.19x = 94,750.17 × 63,048.14
  4. Step 4: Simplify right side
    68,695.19x = 5,973,821,509.43
  5. Step 5: Solve for x
    x = 5,973,821,509.43/68,695.19
  6. Step 6: Final answer
    x = 86,961.28

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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.