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Finding the Fourth Proportional to 93,448.84, 140,171.94 and 43,501

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Solution

The fourth proportional to 93,448.84, 140,171.94 and 43,501 is: 65,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,448.84 : 140,171.94 = 43,501 : x
  2. Step 2: Convert to fraction form
    93,448.84/140,171.94 = 43,501/x
  3. Step 3: Cross multiply
    93,448.84x = 140,171.94 × 43,501
  4. Step 4: Simplify right side
    93,448.84x = 6,097,619,561.94
  5. Step 5: Solve for x
    x = 6,097,619,561.94/93,448.84
  6. Step 6: Final answer
    x = 65,250.89

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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.