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Finding the Fourth Proportional to 93,004.80, 128,345.22 and 50,562.96

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Solution

The fourth proportional to 93,004.80, 128,345.22 and 50,562.96 is: 69,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.80 : 128,345.22 = 50,562.96 : x
  2. Step 2: Convert to fraction form
    93,004.80/128,345.22 = 50,562.96/x
  3. Step 3: Cross multiply
    93,004.80x = 128,345.22 × 50,562.96
  4. Step 4: Simplify right side
    93,004.80x = 6,489,514,225.05
  5. Step 5: Solve for x
    x = 6,489,514,225.05/93,004.80
  6. Step 6: Final answer
    x = 69,776.12

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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.