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Finding the Fourth Proportional to 107,230.50, 160,733.50 and 36,128.57

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Solution

The fourth proportional to 107,230.50, 160,733.50 and 36,128.57 is: 54,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,230.50 : 160,733.50 = 36,128.57 : x
  2. Step 2: Convert to fraction form
    107,230.50/160,733.50 = 36,128.57/x
  3. Step 3: Cross multiply
    107,230.50x = 160,733.50 × 36,128.57
  4. Step 4: Simplify right side
    107,230.50x = 5,807,070,612.11
  5. Step 5: Solve for x
    x = 5,807,070,612.11/107,230.50
  6. Step 6: Final answer
    x = 54,155.03

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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.