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Finding the Fourth Proportional to 107,143.08, 160,603.08 and 36,012.84

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Solution

The fourth proportional to 107,143.08, 160,603.08 and 36,012.84 is: 53,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143.08 : 160,603.08 = 36,012.84 : x
  2. Step 2: Convert to fraction form
    107,143.08/160,603.08 = 36,012.84/x
  3. Step 3: Cross multiply
    107,143.08x = 160,603.08 × 36,012.84
  4. Step 4: Simplify right side
    107,143.08x = 5,783,773,023.55
  5. Step 5: Solve for x
    x = 5,783,773,023.55/107,143.08
  6. Step 6: Final answer
    x = 53,981.77

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1.5x scale

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.