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Finding the Fourth Proportional to 64,316.60, 96,623.14 and 61,659.48

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Solution

The fourth proportional to 64,316.60, 96,623.14 and 61,659.48 is: 92,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316.60 : 96,623.14 = 61,659.48 : x
  2. Step 2: Convert to fraction form
    64,316.60/96,623.14 = 61,659.48/x
  3. Step 3: Cross multiply
    64,316.60x = 96,623.14 × 61,659.48
  4. Step 4: Simplify right side
    64,316.60x = 5,957,732,568.37
  5. Step 5: Solve for x
    x = 5,957,732,568.37/64,316.60
  6. Step 6: Final answer
    x = 92,631.34

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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.