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Finding the Fourth Proportional to 219,244, 302,558.88 and 118,644.16

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Solution

The fourth proportional to 219,244, 302,558.88 and 118,644.16 is: 163,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,244 : 302,558.88 = 118,644.16 : x
  2. Step 2: Convert to fraction form
    219,244/302,558.88 = 118,644.16/x
  3. Step 3: Cross multiply
    219,244x = 302,558.88 × 118,644.16
  4. Step 4: Simplify right side
    219,244x = 35,896,844,168.14
  5. Step 5: Solve for x
    x = 35,896,844,168.14/219,244
  6. Step 6: Final answer
    x = 163,730.11

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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.