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Finding the Fourth Proportional to 116,051.28, 160,150.68 and 65,750.28

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Solution

The fourth proportional to 116,051.28, 160,150.68 and 65,750.28 is: 90,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,051.28 : 160,150.68 = 65,750.28 : x
  2. Step 2: Convert to fraction form
    116,051.28/160,150.68 = 65,750.28/x
  3. Step 3: Cross multiply
    116,051.28x = 160,150.68 × 65,750.28
  4. Step 4: Simplify right side
    116,051.28x = 10,529,952,052.19
  5. Step 5: Solve for x
    x = 10,529,952,052.19/116,051.28
  6. Step 6: Final answer
    x = 90,735.34

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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.