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Finding the Fourth Proportional to 101,914.74, 152,813.25 and 39,512.34

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Solution

The fourth proportional to 101,914.74, 152,813.25 and 39,512.34 is: 59,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,914.74 : 152,813.25 = 39,512.34 : x
  2. Step 2: Convert to fraction form
    101,914.74/152,813.25 = 39,512.34/x
  3. Step 3: Cross multiply
    101,914.74x = 152,813.25 × 39,512.34
  4. Step 4: Simplify right side
    101,914.74x = 6,038,009,090.51
  5. Step 5: Solve for x
    x = 6,038,009,090.51/101,914.74
  6. Step 6: Final answer
    x = 59,245.69

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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.