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Finding the Fourth Proportional to 64,785.66, 97,120.17 and 23,203.50

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Solution

The fourth proportional to 64,785.66, 97,120.17 and 23,203.50 is: 34,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785.66 : 97,120.17 = 23,203.50 : x
  2. Step 2: Convert to fraction form
    64,785.66/97,120.17 = 23,203.50/x
  3. Step 3: Cross multiply
    64,785.66x = 97,120.17 × 23,203.50
  4. Step 4: Simplify right side
    64,785.66x = 2,253,527,864.60
  5. Step 5: Solve for x
    x = 2,253,527,864.60/64,785.66
  6. Step 6: Final answer
    x = 34,784.36

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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.