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Finding the Fourth Proportional to 116,652.60, 160,983.63 and 65,667.20

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Solution

The fourth proportional to 116,652.60, 160,983.63 and 65,667.20 is: 90,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,652.60 : 160,983.63 = 65,667.20 : x
  2. Step 2: Convert to fraction form
    116,652.60/160,983.63 = 65,667.20/x
  3. Step 3: Cross multiply
    116,652.60x = 160,983.63 × 65,667.20
  4. Step 4: Simplify right side
    116,652.60x = 10,571,343,423.02
  5. Step 5: Solve for x
    x = 10,571,343,423.02/116,652.60
  6. Step 6: Final answer
    x = 90,622.44

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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.