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Finding the Fourth Proportional to 104,750.71, 144,559.02 and 57,007.14

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Solution

The fourth proportional to 104,750.71, 144,559.02 and 57,007.14 is: 78,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.71 : 144,559.02 = 57,007.14 : x
  2. Step 2: Convert to fraction form
    104,750.71/144,559.02 = 57,007.14/x
  3. Step 3: Cross multiply
    104,750.71x = 144,559.02 × 57,007.14
  4. Step 4: Simplify right side
    104,750.71x = 8,240,896,291.40
  5. Step 5: Solve for x
    x = 8,240,896,291.40/104,750.71
  6. Step 6: Final answer
    x = 78,671.51

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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.