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Finding the Fourth Proportional to 114,027.23, 157,362 and 75,720.71

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Solution

The fourth proportional to 114,027.23, 157,362 and 75,720.71 is: 104,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,027.23 : 157,362 = 75,720.71 : x
  2. Step 2: Convert to fraction form
    114,027.23/157,362 = 75,720.71/x
  3. Step 3: Cross multiply
    114,027.23x = 157,362 × 75,720.71
  4. Step 4: Simplify right side
    114,027.23x = 11,915,562,367.02
  5. Step 5: Solve for x
    x = 11,915,562,367.02/114,027.23
  6. Step 6: Final answer
    x = 104,497.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.