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Finding the Fourth Proportional to 114,422.09, 157,911.81 and 63,450.81

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Solution

The fourth proportional to 114,422.09, 157,911.81 and 63,450.81 is: 87,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,422.09 : 157,911.81 = 63,450.81 : x
  2. Step 2: Convert to fraction form
    114,422.09/157,911.81 = 63,450.81/x
  3. Step 3: Cross multiply
    114,422.09x = 157,911.81 × 63,450.81
  4. Step 4: Simplify right side
    114,422.09x = 10,019,632,253.07
  5. Step 5: Solve for x
    x = 10,019,632,253.07/114,422.09
  6. Step 6: Final answer
    x = 87,567.29

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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.