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Finding the Fourth Proportional to 143,295.08, 214,537.08 and 109,522.40

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Solution

The fourth proportional to 143,295.08, 214,537.08 and 109,522.40 is: 163,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,295.08 : 214,537.08 = 109,522.40 : x
  2. Step 2: Convert to fraction form
    143,295.08/214,537.08 = 109,522.40/x
  3. Step 3: Cross multiply
    143,295.08x = 214,537.08 × 109,522.40
  4. Step 4: Simplify right side
    143,295.08x = 23,496,615,890.59
  5. Step 5: Solve for x
    x = 23,496,615,890.59/143,295.08
  6. Step 6: Final answer
    x = 163,973.64

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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.