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Finding the Fourth Proportional to 116,350.97, 160,554.87 and 65,360.93

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Solution

The fourth proportional to 116,350.97, 160,554.87 and 65,360.93 is: 90,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,350.97 : 160,554.87 = 65,360.93 : x
  2. Step 2: Convert to fraction form
    116,350.97/160,554.87 = 65,360.93/x
  3. Step 3: Cross multiply
    116,350.97x = 160,554.87 × 65,360.93
  4. Step 4: Simplify right side
    116,350.97x = 10,494,014,816.45
  5. Step 5: Solve for x
    x = 10,494,014,816.45/116,350.97
  6. Step 6: Final answer
    x = 90,192.76

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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.