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Finding the Fourth Proportional to 219,426.02, 302,806.15 and 118,824.02

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Solution

The fourth proportional to 219,426.02, 302,806.15 and 118,824.02 is: 163,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,426.02 : 302,806.15 = 118,824.02 : x
  2. Step 2: Convert to fraction form
    219,426.02/302,806.15 = 118,824.02/x
  3. Step 3: Cross multiply
    219,426.02x = 302,806.15 × 118,824.02
  4. Step 4: Simplify right side
    219,426.02x = 35,980,644,023.72
  5. Step 5: Solve for x
    x = 35,980,644,023.72/219,426.02
  6. Step 6: Final answer
    x = 163,976.20

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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.