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Finding the Fourth Proportional to 93,336.98, 128,812.68 and 53,063.37

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Solution

The fourth proportional to 93,336.98, 128,812.68 and 53,063.37 is: 73,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,336.98 : 128,812.68 = 53,063.37 : x
  2. Step 2: Convert to fraction form
    93,336.98/128,812.68 = 53,063.37/x
  3. Step 3: Cross multiply
    93,336.98x = 128,812.68 × 53,063.37
  4. Step 4: Simplify right side
    93,336.98x = 6,835,234,899.53
  5. Step 5: Solve for x
    x = 6,835,234,899.53/93,336.98
  6. Step 6: Final answer
    x = 73,231.80

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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.