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Finding the Fourth Proportional to 197,884.68, 296,854.77 and 64,775.49

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Solution

The fourth proportional to 197,884.68, 296,854.77 and 64,775.49 is: 97,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,884.68 : 296,854.77 = 64,775.49 : x
  2. Step 2: Convert to fraction form
    197,884.68/296,854.77 = 64,775.49/x
  3. Step 3: Cross multiply
    197,884.68x = 296,854.77 × 64,775.49
  4. Step 4: Simplify right side
    197,884.68x = 19,228,913,185.59
  5. Step 5: Solve for x
    x = 19,228,913,185.59/197,884.68
  6. Step 6: Final answer
    x = 97,172.32

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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.