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Finding the Fourth Proportional to 302,165.64, 453,183.66 and 124,626.60

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Solution

The fourth proportional to 302,165.64, 453,183.66 and 124,626.60 is: 186,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,165.64 : 453,183.66 = 124,626.60 : x
  2. Step 2: Convert to fraction form
    302,165.64/453,183.66 = 124,626.60/x
  3. Step 3: Cross multiply
    302,165.64x = 453,183.66 × 124,626.60
  4. Step 4: Simplify right side
    302,165.64x = 56,478,738,721.36
  5. Step 5: Solve for x
    x = 56,478,738,721.36/302,165.64
  6. Step 6: Final answer
    x = 186,913.17

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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.