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Finding the Fourth Proportional to 219,477.84, 329,151.83 and 93,116.49

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Solution

The fourth proportional to 219,477.84, 329,151.83 and 93,116.49 is: 139,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,477.84 : 329,151.83 = 93,116.49 : x
  2. Step 2: Convert to fraction form
    219,477.84/329,151.83 = 93,116.49/x
  3. Step 3: Cross multiply
    219,477.84x = 329,151.83 × 93,116.49
  4. Step 4: Simplify right side
    219,477.84x = 30,649,462,621.09
  5. Step 5: Solve for x
    x = 30,649,462,621.09/219,477.84
  6. Step 6: Final answer
    x = 139,647.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.