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Finding the Fourth Proportional to 302,784.48, 454,161.62 and 113,230.91

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Solution

The fourth proportional to 302,784.48, 454,161.62 and 113,230.91 is: 169,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.48 : 454,161.62 = 113,230.91 : x
  2. Step 2: Convert to fraction form
    302,784.48/454,161.62 = 113,230.91/x
  3. Step 3: Cross multiply
    302,784.48x = 454,161.62 × 113,230.91
  4. Step 4: Simplify right side
    302,784.48x = 51,425,133,519.67
  5. Step 5: Solve for x
    x = 51,425,133,519.67/302,784.48
  6. Step 6: Final answer
    x = 169,840.72

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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.