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Finding the Fourth Proportional to 107,065.44, 147,744.14 and 59,315.94

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Solution

The fourth proportional to 107,065.44, 147,744.14 and 59,315.94 is: 81,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.44 : 147,744.14 = 59,315.94 : x
  2. Step 2: Convert to fraction form
    107,065.44/147,744.14 = 59,315.94/x
  3. Step 3: Cross multiply
    107,065.44x = 147,744.14 × 59,315.94
  4. Step 4: Simplify right side
    107,065.44x = 8,763,582,247.01
  5. Step 5: Solve for x
    x = 8,763,582,247.01/107,065.44
  6. Step 6: Final answer
    x = 81,852.58

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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.