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Finding the Fourth Proportional to 197,803, 296,741.70 and 79,483.72

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Solution

The fourth proportional to 197,803, 296,741.70 and 79,483.72 is: 119,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,803 : 296,741.70 = 79,483.72 : x
  2. Step 2: Convert to fraction form
    197,803/296,741.70 = 79,483.72/x
  3. Step 3: Cross multiply
    197,803x = 296,741.70 × 79,483.72
  4. Step 4: Simplify right side
    197,803x = 23,586,134,195.12
  5. Step 5: Solve for x
    x = 23,586,134,195.12/197,803
  6. Step 6: Final answer
    x = 119,240.53

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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.