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Finding the Fourth Proportional to 183,131.70, 274,697.55 and 153,607.20

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Solution

The fourth proportional to 183,131.70, 274,697.55 and 153,607.20 is: 230,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,131.70 : 274,697.55 = 153,607.20 : x
  2. Step 2: Convert to fraction form
    183,131.70/274,697.55 = 153,607.20/x
  3. Step 3: Cross multiply
    183,131.70x = 274,697.55 × 153,607.20
  4. Step 4: Simplify right side
    183,131.70x = 42,195,521,502.36
  5. Step 5: Solve for x
    x = 42,195,521,502.36/183,131.70
  6. Step 6: Final answer
    x = 230,410.80

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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.