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Finding the Fourth Proportional to 164,322.70, 226,903.57 and 103,999.77

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Solution

The fourth proportional to 164,322.70, 226,903.57 and 103,999.77 is: 143,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,322.70 : 226,903.57 = 103,999.77 : x
  2. Step 2: Convert to fraction form
    164,322.70/226,903.57 = 103,999.77/x
  3. Step 3: Cross multiply
    164,322.70x = 226,903.57 × 103,999.77
  4. Step 4: Simplify right side
    164,322.70x = 23,597,918,832.18
  5. Step 5: Solve for x
    x = 23,597,918,832.18/164,322.70
  6. Step 6: Final answer
    x = 143,607.18

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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.