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Finding the Fourth Proportional to 240,287, 331,596.06 and 134,303

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Solution

The fourth proportional to 240,287, 331,596.06 and 134,303 is: 185,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,287 : 331,596.06 = 134,303 : x
  2. Step 2: Convert to fraction form
    240,287/331,596.06 = 134,303/x
  3. Step 3: Cross multiply
    240,287x = 331,596.06 × 134,303
  4. Step 4: Simplify right side
    240,287x = 44,534,345,646.18
  5. Step 5: Solve for x
    x = 44,534,345,646.18/240,287
  6. Step 6: Final answer
    x = 185,338.14

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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.