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Finding the Fourth Proportional to 116,372.91, 160,594.76 and 66,071.91

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Solution

The fourth proportional to 116,372.91, 160,594.76 and 66,071.91 is: 91,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,372.91 : 160,594.76 = 66,071.91 : x
  2. Step 2: Convert to fraction form
    116,372.91/160,594.76 = 66,071.91/x
  3. Step 3: Cross multiply
    116,372.91x = 160,594.76 × 66,071.91
  4. Step 4: Simplify right side
    116,372.91x = 10,610,802,694.37
  5. Step 5: Solve for x
    x = 10,610,802,694.37/116,372.91
  6. Step 6: Final answer
    x = 91,179.32

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1.5x scale

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.