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Finding the Fourth Proportional to 219,582.39, 303,024.33 and 118,980.39

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Solution

The fourth proportional to 219,582.39, 303,024.33 and 118,980.39 is: 164,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,582.39 : 303,024.33 = 118,980.39 : x
  2. Step 2: Convert to fraction form
    219,582.39/303,024.33 = 118,980.39/x
  3. Step 3: Cross multiply
    219,582.39x = 303,024.33 × 118,980.39
  4. Step 4: Simplify right side
    219,582.39x = 36,053,952,962.89
  5. Step 5: Solve for x
    x = 36,053,952,962.89/219,582.39
  6. Step 6: Final answer
    x = 164,193.28

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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.