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Finding the Fourth Proportional to 115,376.60, 173,082.90 and 36,483.32

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Solution

The fourth proportional to 115,376.60, 173,082.90 and 36,483.32 is: 54,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.60 : 173,082.90 = 36,483.32 : x
  2. Step 2: Convert to fraction form
    115,376.60/173,082.90 = 36,483.32/x
  3. Step 3: Cross multiply
    115,376.60x = 173,082.90 × 36,483.32
  4. Step 4: Simplify right side
    115,376.60x = 6,314,638,827.23
  5. Step 5: Solve for x
    x = 6,314,638,827.23/115,376.60
  6. Step 6: Final answer
    x = 54,730.67

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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.