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Finding the Fourth Proportional to 104,662.66, 144,438.26 and 59,959.30

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Solution

The fourth proportional to 104,662.66, 144,438.26 and 59,959.30 is: 82,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.66 : 144,438.26 = 59,959.30 : x
  2. Step 2: Convert to fraction form
    104,662.66/144,438.26 = 59,959.30/x
  3. Step 3: Cross multiply
    104,662.66x = 144,438.26 × 59,959.30
  4. Step 4: Simplify right side
    104,662.66x = 8,660,416,962.82
  5. Step 5: Solve for x
    x = 8,660,416,962.82/104,662.66
  6. Step 6: Final answer
    x = 82,746.00

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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.