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Finding the Fourth Proportional to 116,088.48, 160,183.44 and 65,803.68

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Solution

The fourth proportional to 116,088.48, 160,183.44 and 65,803.68 is: 90,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,088.48 : 160,183.44 = 65,803.68 : x
  2. Step 2: Convert to fraction form
    116,088.48/160,183.44 = 65,803.68/x
  3. Step 3: Cross multiply
    116,088.48x = 160,183.44 × 65,803.68
  4. Step 4: Simplify right side
    116,088.48x = 10,540,659,827.06
  5. Step 5: Solve for x
    x = 10,540,659,827.06/116,088.48
  6. Step 6: Final answer
    x = 90,798.50

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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.