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Finding the Fourth Proportional to 104,994.90, 144,889.34 and 59,672.10

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Solution

The fourth proportional to 104,994.90, 144,889.34 and 59,672.10 is: 82,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,994.90 : 144,889.34 = 59,672.10 : x
  2. Step 2: Convert to fraction form
    104,994.90/144,889.34 = 59,672.10/x
  3. Step 3: Cross multiply
    104,994.90x = 144,889.34 × 59,672.10
  4. Step 4: Simplify right side
    104,994.90x = 8,645,851,185.41
  5. Step 5: Solve for x
    x = 8,645,851,185.41/104,994.90
  6. Step 6: Final answer
    x = 82,345.44

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1.5x scale

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.