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Finding the Fourth Proportional to 133,165.09, 183,842.09 and 92,389.69

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Solution

The fourth proportional to 133,165.09, 183,842.09 and 92,389.69 is: 127,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,165.09 : 183,842.09 = 92,389.69 : x
  2. Step 2: Convert to fraction form
    133,165.09/183,842.09 = 92,389.69/x
  3. Step 3: Cross multiply
    133,165.09x = 183,842.09 × 92,389.69
  4. Step 4: Simplify right side
    133,165.09x = 16,985,113,704.05
  5. Step 5: Solve for x
    x = 16,985,113,704.05/133,165.09
  6. Step 6: Final answer
    x = 127,549.30

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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.