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Finding the Fourth Proportional to 157,321.35, 235,982.03 and 46,513.35

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Solution

The fourth proportional to 157,321.35, 235,982.03 and 46,513.35 is: 69,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,321.35 : 235,982.03 = 46,513.35 : x
  2. Step 2: Convert to fraction form
    157,321.35/235,982.03 = 46,513.35/x
  3. Step 3: Cross multiply
    157,321.35x = 235,982.03 × 46,513.35
  4. Step 4: Simplify right side
    157,321.35x = 10,976,314,522.53
  5. Step 5: Solve for x
    x = 10,976,314,522.53/157,321.35
  6. Step 6: Final answer
    x = 69,770.03

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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.