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Finding the Fourth Proportional to 166,692.81, 230,034.29 and 90,210.23

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Solution

The fourth proportional to 166,692.81, 230,034.29 and 90,210.23 is: 124,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,692.81 : 230,034.29 = 90,210.23 : x
  2. Step 2: Convert to fraction form
    166,692.81/230,034.29 = 90,210.23/x
  3. Step 3: Cross multiply
    166,692.81x = 230,034.29 × 90,210.23
  4. Step 4: Simplify right side
    166,692.81x = 20,751,444,607.56
  5. Step 5: Solve for x
    x = 20,751,444,607.56/166,692.81
  6. Step 6: Final answer
    x = 124,489.14

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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.