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Finding the Fourth Proportional to 116,016.08, 160,099.08 and 65,731.28

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Solution

The fourth proportional to 116,016.08, 160,099.08 and 65,731.28 is: 90,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,016.08 : 160,099.08 = 65,731.28 : x
  2. Step 2: Convert to fraction form
    116,016.08/160,099.08 = 65,731.28/x
  3. Step 3: Cross multiply
    116,016.08x = 160,099.08 × 65,731.28
  4. Step 4: Simplify right side
    116,016.08x = 10,523,517,455.22
  5. Step 5: Solve for x
    x = 10,523,517,455.22/116,016.08
  6. Step 6: Final answer
    x = 90,707.40

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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.