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Finding the Fourth Proportional to 219,563.71, 302,881.05 and 133,549.00

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Solution

The fourth proportional to 219,563.71, 302,881.05 and 133,549.00 is: 184,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,563.71 : 302,881.05 = 133,549.00 : x
  2. Step 2: Convert to fraction form
    219,563.71/302,881.05 = 133,549.00/x
  3. Step 3: Cross multiply
    219,563.71x = 302,881.05 × 133,549.00
  4. Step 4: Simplify right side
    219,563.71x = 40,449,461,917.35
  5. Step 5: Solve for x
    x = 40,449,461,917.35/219,563.71
  6. Step 6: Final answer
    x = 184,226.53

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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.