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Finding the Fourth Proportional to 371,194.34, 556,791.29 and 134,536.64

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Solution

The fourth proportional to 371,194.34, 556,791.29 and 134,536.64 is: 201,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,194.34 : 556,791.29 = 134,536.64 : x
  2. Step 2: Convert to fraction form
    371,194.34/556,791.29 = 134,536.64/x
  3. Step 3: Cross multiply
    371,194.34x = 556,791.29 × 134,536.64
  4. Step 4: Simplify right side
    371,194.34x = 74,908,825,881.23
  5. Step 5: Solve for x
    x = 74,908,825,881.23/371,194.34
  6. Step 6: Final answer
    x = 201,804.87

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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.