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Finding the Fourth Proportional to 102,572.87, 153,887.58 and 36,004.23

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Solution

The fourth proportional to 102,572.87, 153,887.58 and 36,004.23 is: 54,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,572.87 : 153,887.58 = 36,004.23 : x
  2. Step 2: Convert to fraction form
    102,572.87/153,887.58 = 36,004.23/x
  3. Step 3: Cross multiply
    102,572.87x = 153,887.58 × 36,004.23
  4. Step 4: Simplify right side
    102,572.87x = 5,540,603,824.46
  5. Step 5: Solve for x
    x = 5,540,603,824.46/102,572.87
  6. Step 6: Final answer
    x = 54,016.27

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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.