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Finding the Fourth Proportional to 219,097.88, 302,355.08 and 118,495.88

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Solution

The fourth proportional to 219,097.88, 302,355.08 and 118,495.88 is: 163,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,097.88 : 302,355.08 = 118,495.88 : x
  2. Step 2: Convert to fraction form
    219,097.88/302,355.08 = 118,495.88/x
  3. Step 3: Cross multiply
    219,097.88x = 302,355.08 × 118,495.88
  4. Step 4: Simplify right side
    219,097.88x = 35,827,829,172.82
  5. Step 5: Solve for x
    x = 35,827,829,172.82/219,097.88
  6. Step 6: Final answer
    x = 163,524.31

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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.