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Finding the Fourth Proportional to 93,189.69, 139,731.22 and 43,244.08

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Solution

The fourth proportional to 93,189.69, 139,731.22 and 43,244.08 is: 64,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,189.69 : 139,731.22 = 43,244.08 : x
  2. Step 2: Convert to fraction form
    93,189.69/139,731.22 = 43,244.08/x
  3. Step 3: Cross multiply
    93,189.69x = 139,731.22 × 43,244.08
  4. Step 4: Simplify right side
    93,189.69x = 6,042,547,141.30
  5. Step 5: Solve for x
    x = 6,042,547,141.30/93,189.69
  6. Step 6: Final answer
    x = 64,841.37

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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.