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Finding the Fourth Proportional to 208,516.39, 312,532.63 and 95,960.32

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Solution

The fourth proportional to 208,516.39, 312,532.63 and 95,960.32 is: 143,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,516.39 : 312,532.63 = 95,960.32 : x
  2. Step 2: Convert to fraction form
    208,516.39/312,532.63 = 95,960.32/x
  3. Step 3: Cross multiply
    208,516.39x = 312,532.63 × 95,960.32
  4. Step 4: Simplify right side
    208,516.39x = 29,990,731,185.24
  5. Step 5: Solve for x
    x = 29,990,731,185.24/208,516.39
  6. Step 6: Final answer
    x = 143,829.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.