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Finding the Fourth Proportional to 93,267.99, 128,665.67 and 63,063.90

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Solution

The fourth proportional to 93,267.99, 128,665.67 and 63,063.90 is: 86,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,267.99 : 128,665.67 = 63,063.90 : x
  2. Step 2: Convert to fraction form
    93,267.99/128,665.67 = 63,063.90/x
  3. Step 3: Cross multiply
    93,267.99x = 128,665.67 × 63,063.90
  4. Step 4: Simplify right side
    93,267.99x = 8,114,158,630.99
  5. Step 5: Solve for x
    x = 8,114,158,630.99/93,267.99
  6. Step 6: Final answer
    x = 86,998.32

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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.