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Finding the Fourth Proportional to 111,950.35, 156,937.85 and 111,950.35

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Solution

The fourth proportional to 111,950.35, 156,937.85 and 111,950.35 is: 156,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,950.35 : 156,937.85 = 111,950.35 : x
  2. Step 2: Convert to fraction form
    111,950.35/156,937.85 = 111,950.35/x
  3. Step 3: Cross multiply
    111,950.35x = 156,937.85 × 111,950.35
  4. Step 4: Simplify right side
    111,950.35x = 17,569,247,235.75
  5. Step 5: Solve for x
    x = 17,569,247,235.75/111,950.35
  6. Step 6: Final answer
    x = 156,937.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.