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Finding the Fourth Proportional to 115,735.32, 173,319.88 and 104,516

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Solution

The fourth proportional to 115,735.32, 173,319.88 and 104,516 is: 156,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,735.32 : 173,319.88 = 104,516 : x
  2. Step 2: Convert to fraction form
    115,735.32/173,319.88 = 104,516/x
  3. Step 3: Cross multiply
    115,735.32x = 173,319.88 × 104,516
  4. Step 4: Simplify right side
    115,735.32x = 18,114,700,578.08
  5. Step 5: Solve for x
    x = 18,114,700,578.08/115,735.32
  6. Step 6: Final answer
    x = 156,518.34

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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.