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Finding the Fourth Proportional to 219,379.53, 329,003.82 and 93,017.64

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Solution

The fourth proportional to 219,379.53, 329,003.82 and 93,017.64 is: 139,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,379.53 : 329,003.82 = 93,017.64 : x
  2. Step 2: Convert to fraction form
    219,379.53/329,003.82 = 93,017.64/x
  3. Step 3: Cross multiply
    219,379.53x = 329,003.82 × 93,017.64
  4. Step 4: Simplify right side
    219,379.53x = 30,603,158,887.38
  5. Step 5: Solve for x
    x = 30,603,158,887.38/219,379.53
  6. Step 6: Final answer
    x = 139,498.70

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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.