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Finding the Fourth Proportional to 116,313.12, 160,520.04 and 64,636.38

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Solution

The fourth proportional to 116,313.12, 160,520.04 and 64,636.38 is: 89,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,313.12 : 160,520.04 = 64,636.38 : x
  2. Step 2: Convert to fraction form
    116,313.12/160,520.04 = 64,636.38/x
  3. Step 3: Cross multiply
    116,313.12x = 160,520.04 × 64,636.38
  4. Step 4: Simplify right side
    116,313.12x = 10,375,434,303.06
  5. Step 5: Solve for x
    x = 10,375,434,303.06/116,313.12
  6. Step 6: Final answer
    x = 89,202.61

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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.