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Finding the Fourth Proportional to 107,032.80, 160,511.40 and 36,895.80

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Solution

The fourth proportional to 107,032.80, 160,511.40 and 36,895.80 is: 55,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,032.80 : 160,511.40 = 36,895.80 : x
  2. Step 2: Convert to fraction form
    107,032.80/160,511.40 = 36,895.80/x
  3. Step 3: Cross multiply
    107,032.80x = 160,511.40 × 36,895.80
  4. Step 4: Simplify right side
    107,032.80x = 5,922,196,512.12
  5. Step 5: Solve for x
    x = 5,922,196,512.12/107,032.80
  6. Step 6: Final answer
    x = 55,330.67

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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.