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Finding the Fourth Proportional to 219,256.88, 302,574.49 and 118,654.88

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Solution

The fourth proportional to 219,256.88, 302,574.49 and 118,654.88 is: 163,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,256.88 : 302,574.49 = 118,654.88 : x
  2. Step 2: Convert to fraction form
    219,256.88/302,574.49 = 118,654.88/x
  3. Step 3: Cross multiply
    219,256.88x = 302,574.49 × 118,654.88
  4. Step 4: Simplify right side
    219,256.88x = 35,901,937,992.50
  5. Step 5: Solve for x
    x = 35,901,937,992.50/219,256.88
  6. Step 6: Final answer
    x = 163,743.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.