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Finding the Fourth Proportional to 114,362.16, 157,801.41 and 71,890.62

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Solution

The fourth proportional to 114,362.16, 157,801.41 and 71,890.62 is: 99,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,362.16 : 157,801.41 = 71,890.62 : x
  2. Step 2: Convert to fraction form
    114,362.16/157,801.41 = 71,890.62/x
  3. Step 3: Cross multiply
    114,362.16x = 157,801.41 × 71,890.62
  4. Step 4: Simplify right side
    114,362.16x = 11,344,441,201.77
  5. Step 5: Solve for x
    x = 11,344,441,201.77/114,362.16
  6. Step 6: Final answer
    x = 99,197.51

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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.