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Finding the Fourth Proportional to 188,940.96, 260,719.23 and 116,332.32

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Solution

The fourth proportional to 188,940.96, 260,719.23 and 116,332.32 is: 160,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,940.96 : 260,719.23 = 116,332.32 : x
  2. Step 2: Convert to fraction form
    188,940.96/260,719.23 = 116,332.32/x
  3. Step 3: Cross multiply
    188,940.96x = 260,719.23 × 116,332.32
  4. Step 4: Simplify right side
    188,940.96x = 30,330,072,894.51
  5. Step 5: Solve for x
    x = 30,330,072,894.51/188,940.96
  6. Step 6: Final answer
    x = 160,526.72

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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.