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Finding the Fourth Proportional to 101,374.88, 152,052.60 and 31,235.36

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Solution

The fourth proportional to 101,374.88, 152,052.60 and 31,235.36 is: 46,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.88 : 152,052.60 = 31,235.36 : x
  2. Step 2: Convert to fraction form
    101,374.88/152,052.60 = 31,235.36/x
  3. Step 3: Cross multiply
    101,374.88x = 152,052.60 × 31,235.36
  4. Step 4: Simplify right side
    101,374.88x = 4,749,417,699.94
  5. Step 5: Solve for x
    x = 4,749,417,699.94/101,374.88
  6. Step 6: Final answer
    x = 46,850.05

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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.