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Finding the Fourth Proportional to 70,563.63, 106,267.85 and 64,265.07

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Solution

The fourth proportional to 70,563.63, 106,267.85 and 64,265.07 is: 96,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.63 : 106,267.85 = 64,265.07 : x
  2. Step 2: Convert to fraction form
    70,563.63/106,267.85 = 64,265.07/x
  3. Step 3: Cross multiply
    70,563.63x = 106,267.85 × 64,265.07
  4. Step 4: Simplify right side
    70,563.63x = 6,829,310,979.66
  5. Step 5: Solve for x
    x = 6,829,310,979.66/70,563.63
  6. Step 6: Final answer
    x = 96,782.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.