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Finding the Fourth Proportional to 219,393.57, 329,025.15 and 93,031.95

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Solution

The fourth proportional to 219,393.57, 329,025.15 and 93,031.95 is: 139,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,393.57 : 329,025.15 = 93,031.95 : x
  2. Step 2: Convert to fraction form
    219,393.57/329,025.15 = 93,031.95/x
  3. Step 3: Cross multiply
    219,393.57x = 329,025.15 × 93,031.95
  4. Step 4: Simplify right side
    219,393.57x = 30,609,851,303.54
  5. Step 5: Solve for x
    x = 30,609,851,303.54/219,393.57
  6. Step 6: Final answer
    x = 139,520.28

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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.