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Finding the Fourth Proportional to 64,825.60, 97,108.80 and 37,091.20

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Solution

The fourth proportional to 64,825.60, 97,108.80 and 37,091.20 is: 55,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,825.60 : 97,108.80 = 37,091.20 : x
  2. Step 2: Convert to fraction form
    64,825.60/97,108.80 = 37,091.20/x
  3. Step 3: Cross multiply
    64,825.60x = 97,108.80 × 37,091.20
  4. Step 4: Simplify right side
    64,825.60x = 3,601,881,922.56
  5. Step 5: Solve for x
    x = 3,601,881,922.56/64,825.60
  6. Step 6: Final answer
    x = 55,562.65

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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.