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Finding the Fourth Proportional to 219,380.53, 329,005.32 and 93,018.64

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Solution

The fourth proportional to 219,380.53, 329,005.32 and 93,018.64 is: 139,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,380.53 : 329,005.32 = 93,018.64 : x
  2. Step 2: Convert to fraction form
    219,380.53/329,005.32 = 93,018.64/x
  3. Step 3: Cross multiply
    219,380.53x = 329,005.32 × 93,018.64
  4. Step 4: Simplify right side
    219,380.53x = 30,603,627,419.16
  5. Step 5: Solve for x
    x = 30,603,627,419.16/219,380.53
  6. Step 6: Final answer
    x = 139,500.20

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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.