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Finding the Fourth Proportional to 235,671.60, 353,562.74 and 77,900.03

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Solution

The fourth proportional to 235,671.60, 353,562.74 and 77,900.03 is: 116,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.60 : 353,562.74 = 77,900.03 : x
  2. Step 2: Convert to fraction form
    235,671.60/353,562.74 = 77,900.03/x
  3. Step 3: Cross multiply
    235,671.60x = 353,562.74 × 77,900.03
  4. Step 4: Simplify right side
    235,671.60x = 27,542,548,052.88
  5. Step 5: Solve for x
    x = 27,542,548,052.88/235,671.60
  6. Step 6: Final answer
    x = 116,868.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.