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Finding the Fourth Proportional to 116,374.79, 160,597.35 and 66,073.79

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Solution

The fourth proportional to 116,374.79, 160,597.35 and 66,073.79 is: 91,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,374.79 : 160,597.35 = 66,073.79 : x
  2. Step 2: Convert to fraction form
    116,374.79/160,597.35 = 66,073.79/x
  3. Step 3: Cross multiply
    116,374.79x = 160,597.35 × 66,073.79
  4. Step 4: Simplify right side
    116,374.79x = 10,611,275,979.95
  5. Step 5: Solve for x
    x = 10,611,275,979.95/116,374.79
  6. Step 6: Final answer
    x = 91,181.91

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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.