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Finding the Fourth Proportional to 260,553, 359,563.26 and 147,373.32

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Solution

The fourth proportional to 260,553, 359,563.26 and 147,373.32 is: 203,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,553 : 359,563.26 = 147,373.32 : x
  2. Step 2: Convert to fraction form
    260,553/359,563.26 = 147,373.32/x
  3. Step 3: Cross multiply
    260,553x = 359,563.26 × 147,373.32
  4. Step 4: Simplify right side
    260,553x = 52,990,031,376.22
  5. Step 5: Solve for x
    x = 52,990,031,376.22/260,553
  6. Step 6: Final answer
    x = 203,375.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.