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Finding the Fourth Proportional to 121,523.40, 182,066.40 and 104,027.40

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Solution

The fourth proportional to 121,523.40, 182,066.40 and 104,027.40 is: 155,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.40 : 182,066.40 = 104,027.40 : x
  2. Step 2: Convert to fraction form
    121,523.40/182,066.40 = 104,027.40/x
  3. Step 3: Cross multiply
    121,523.40x = 182,066.40 × 104,027.40
  4. Step 4: Simplify right side
    121,523.40x = 18,939,894,219.36
  5. Step 5: Solve for x
    x = 18,939,894,219.36/121,523.40
  6. Step 6: Final answer
    x = 155,853.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.