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Finding the Fourth Proportional to 116,599.60, 160,879.80 and 66,326.32

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Solution

The fourth proportional to 116,599.60, 160,879.80 and 66,326.32 is: 91,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,599.60 : 160,879.80 = 66,326.32 : x
  2. Step 2: Convert to fraction form
    116,599.60/160,879.80 = 66,326.32/x
  3. Step 3: Cross multiply
    116,599.60x = 160,879.80 × 66,326.32
  4. Step 4: Simplify right side
    116,599.60x = 10,670,565,096.34
  5. Step 5: Solve for x
    x = 10,670,565,096.34/116,599.60
  6. Step 6: Final answer
    x = 91,514.59

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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.