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Finding the Fourth Proportional to 219,671.39, 329,442.49 and 93,310.63

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Solution

The fourth proportional to 219,671.39, 329,442.49 and 93,310.63 is: 139,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,671.39 : 329,442.49 = 93,310.63 : x
  2. Step 2: Convert to fraction form
    219,671.39/329,442.49 = 93,310.63/x
  3. Step 3: Cross multiply
    219,671.39x = 329,442.49 × 93,310.63
  4. Step 4: Simplify right side
    219,671.39x = 30,740,484,176.90
  5. Step 5: Solve for x
    x = 30,740,484,176.90/219,671.39
  6. Step 6: Final answer
    x = 139,938.50

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1.5x scale

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.