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Finding the Fourth Proportional to 93,295.26, 128,645.72 and 63,028.03

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Solution

The fourth proportional to 93,295.26, 128,645.72 and 63,028.03 is: 86,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.26 : 128,645.72 = 63,028.03 : x
  2. Step 2: Convert to fraction form
    93,295.26/128,645.72 = 63,028.03/x
  3. Step 3: Cross multiply
    93,295.26x = 128,645.72 × 63,028.03
  4. Step 4: Simplify right side
    93,295.26x = 8,108,285,984.39
  5. Step 5: Solve for x
    x = 8,108,285,984.39/93,295.26
  6. Step 6: Final answer
    x = 86,909.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.