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Finding the Fourth Proportional to 260,994, 360,172.08 and 141,762

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Solution

The fourth proportional to 260,994, 360,172.08 and 141,762 is: 195,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,994 : 360,172.08 = 141,762 : x
  2. Step 2: Convert to fraction form
    260,994/360,172.08 = 141,762/x
  3. Step 3: Cross multiply
    260,994x = 360,172.08 × 141,762
  4. Step 4: Simplify right side
    260,994x = 51,058,714,404.96
  5. Step 5: Solve for x
    x = 51,058,714,404.96/260,994
  6. Step 6: Final answer
    x = 195,631.76

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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.