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Finding the Fourth Proportional to 197,715.80, 296,573.70 and 186,051.80

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Solution

The fourth proportional to 197,715.80, 296,573.70 and 186,051.80 is: 279,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.80 : 296,573.70 = 186,051.80 : x
  2. Step 2: Convert to fraction form
    197,715.80/296,573.70 = 186,051.80/x
  3. Step 3: Cross multiply
    197,715.80x = 296,573.70 × 186,051.80
  4. Step 4: Simplify right side
    197,715.80x = 55,178,070,717.66
  5. Step 5: Solve for x
    x = 55,178,070,717.66/197,715.80
  6. Step 6: Final answer
    x = 279,077.70

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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.