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Finding the Fourth Proportional to 114,735.66, 171,980.45 and 55,440.62

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Solution

The fourth proportional to 114,735.66, 171,980.45 and 55,440.62 is: 83,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,735.66 : 171,980.45 = 55,440.62 : x
  2. Step 2: Convert to fraction form
    114,735.66/171,980.45 = 55,440.62/x
  3. Step 3: Cross multiply
    114,735.66x = 171,980.45 × 55,440.62
  4. Step 4: Simplify right side
    114,735.66x = 9,534,702,491.60
  5. Step 5: Solve for x
    x = 9,534,702,491.60/114,735.66
  6. Step 6: Final answer
    x = 83,101.48

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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.