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Finding the Fourth Proportional to 101,750.99, 140,411.48 and 56,425.41

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Solution

The fourth proportional to 101,750.99, 140,411.48 and 56,425.41 is: 77,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,750.99 : 140,411.48 = 56,425.41 : x
  2. Step 2: Convert to fraction form
    101,750.99/140,411.48 = 56,425.41/x
  3. Step 3: Cross multiply
    101,750.99x = 140,411.48 × 56,425.41
  4. Step 4: Simplify right side
    101,750.99x = 7,922,775,045.58
  5. Step 5: Solve for x
    x = 7,922,775,045.58/101,750.99
  6. Step 6: Final answer
    x = 77,864.36

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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.