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Finding the Fourth Proportional to 165,271.77, 228,076.80 and 89,820.27

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Solution

The fourth proportional to 165,271.77, 228,076.80 and 89,820.27 is: 123,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271.77 : 228,076.80 = 89,820.27 : x
  2. Step 2: Convert to fraction form
    165,271.77/228,076.80 = 89,820.27/x
  3. Step 3: Cross multiply
    165,271.77x = 228,076.80 × 89,820.27
  4. Step 4: Simplify right side
    165,271.77x = 20,485,919,756.74
  5. Step 5: Solve for x
    x = 20,485,919,756.74/165,271.77
  6. Step 6: Final answer
    x = 123,952.93

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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.