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Finding the Fourth Proportional to 93,590, 140,345.04 and 54,174.32

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Solution

The fourth proportional to 93,590, 140,345.04 and 54,174.32 is: 81,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,590 : 140,345.04 = 54,174.32 : x
  2. Step 2: Convert to fraction form
    93,590/140,345.04 = 54,174.32/x
  3. Step 3: Cross multiply
    93,590x = 140,345.04 × 54,174.32
  4. Step 4: Simplify right side
    93,590x = 7,603,097,107.37
  5. Step 5: Solve for x
    x = 7,603,097,107.37/93,590
  6. Step 6: Final answer
    x = 81,238.35

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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.