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Finding the Fourth Proportional to 147,495.64, 221,243.04 and 36,687.64

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Solution

The fourth proportional to 147,495.64, 221,243.04 and 36,687.64 is: 55,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,495.64 : 221,243.04 = 36,687.64 : x
  2. Step 2: Convert to fraction form
    147,495.64/221,243.04 = 36,687.64/x
  3. Step 3: Cross multiply
    147,495.64x = 221,243.04 × 36,687.64
  4. Step 4: Simplify right side
    147,495.64x = 8,116,885,004.03
  5. Step 5: Solve for x
    x = 8,116,885,004.03/147,495.64
  6. Step 6: Final answer
    x = 55,031.36

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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.