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Finding the Fourth Proportional to 371,163.93, 556,741.04 and 90,683.61

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Solution

The fourth proportional to 371,163.93, 556,741.04 and 90,683.61 is: 136,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,163.93 : 556,741.04 = 90,683.61 : x
  2. Step 2: Convert to fraction form
    371,163.93/556,741.04 = 90,683.61/x
  3. Step 3: Cross multiply
    371,163.93x = 556,741.04 × 90,683.61
  4. Step 4: Simplify right side
    371,163.93x = 50,487,286,888.94
  5. Step 5: Solve for x
    x = 50,487,286,888.94/371,163.93
  6. Step 6: Final answer
    x = 136,024.23

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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.