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Finding the Fourth Proportional to 207,730.03, 311,636.96 and 65,597.51

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Solution

The fourth proportional to 207,730.03, 311,636.96 and 65,597.51 is: 98,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,730.03 : 311,636.96 = 65,597.51 : x
  2. Step 2: Convert to fraction form
    207,730.03/311,636.96 = 65,597.51/x
  3. Step 3: Cross multiply
    207,730.03x = 311,636.96 × 65,597.51
  4. Step 4: Simplify right side
    207,730.03x = 20,442,608,599.97
  5. Step 5: Solve for x
    x = 20,442,608,599.97/207,730.03
  6. Step 6: Final answer
    x = 98,409.50

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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.