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Finding the Fourth Proportional to 104,703.21, 157,056.48 and 25,817.46

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Solution

The fourth proportional to 104,703.21, 157,056.48 and 25,817.46 is: 38,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,703.21 : 157,056.48 = 25,817.46 : x
  2. Step 2: Convert to fraction form
    104,703.21/157,056.48 = 25,817.46/x
  3. Step 3: Cross multiply
    104,703.21x = 157,056.48 × 25,817.46
  4. Step 4: Simplify right side
    104,703.21x = 4,054,799,390.14
  5. Step 5: Solve for x
    x = 4,054,799,390.14/104,703.21
  6. Step 6: Final answer
    x = 38,726.60

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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.