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Finding the Fourth Proportional to 164,164.89, 226,582.77 and 103,697.07

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Solution

The fourth proportional to 164,164.89, 226,582.77 and 103,697.07 is: 143,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,164.89 : 226,582.77 = 103,697.07 : x
  2. Step 2: Convert to fraction form
    164,164.89/226,582.77 = 103,697.07/x
  3. Step 3: Cross multiply
    164,164.89x = 226,582.77 × 103,697.07
  4. Step 4: Simplify right side
    164,164.89x = 23,495,969,361.48
  5. Step 5: Solve for x
    x = 23,495,969,361.48/164,164.89
  6. Step 6: Final answer
    x = 143,124.20

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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.