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Finding the Fourth Proportional to 64,467.60, 96,701.40 and 43,472.40

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Solution

The fourth proportional to 64,467.60, 96,701.40 and 43,472.40 is: 65,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.60 : 96,701.40 = 43,472.40 : x
  2. Step 2: Convert to fraction form
    64,467.60/96,701.40 = 43,472.40/x
  3. Step 3: Cross multiply
    64,467.60x = 96,701.40 × 43,472.40
  4. Step 4: Simplify right side
    64,467.60x = 4,203,841,941.36
  5. Step 5: Solve for x
    x = 4,203,841,941.36/64,467.60
  6. Step 6: Final answer
    x = 65,208.60

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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.