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Finding the Fourth Proportional to 97,460.44, 134,487.90 and 55,023.16

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Solution

The fourth proportional to 97,460.44, 134,487.90 and 55,023.16 is: 75,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,460.44 : 134,487.90 = 55,023.16 : x
  2. Step 2: Convert to fraction form
    97,460.44/134,487.90 = 55,023.16/x
  3. Step 3: Cross multiply
    97,460.44x = 134,487.90 × 55,023.16
  4. Step 4: Simplify right side
    97,460.44x = 7,399,949,239.76
  5. Step 5: Solve for x
    x = 7,399,949,239.76/97,460.44
  6. Step 6: Final answer
    x = 75,927.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.