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Finding the Fourth Proportional to 219,506.58, 329,252.40 and 93,065.43

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Solution

The fourth proportional to 219,506.58, 329,252.40 and 93,065.43 is: 139,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,506.58 : 329,252.40 = 93,065.43 : x
  2. Step 2: Convert to fraction form
    219,506.58/329,252.40 = 93,065.43/x
  3. Step 3: Cross multiply
    219,506.58x = 329,252.40 × 93,065.43
  4. Step 4: Simplify right side
    219,506.58x = 30,642,016,184.53
  5. Step 5: Solve for x
    x = 30,642,016,184.53/219,506.58
  6. Step 6: Final answer
    x = 139,594.98

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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.