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Finding the Fourth Proportional to 122,701.59, 184,054.71 and 38,459.91

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Solution

The fourth proportional to 122,701.59, 184,054.71 and 38,459.91 is: 57,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,701.59 : 184,054.71 = 38,459.91 : x
  2. Step 2: Convert to fraction form
    122,701.59/184,054.71 = 38,459.91/x
  3. Step 3: Cross multiply
    122,701.59x = 184,054.71 × 38,459.91
  4. Step 4: Simplify right side
    122,701.59x = 7,078,727,581.68
  5. Step 5: Solve for x
    x = 7,078,727,581.68/122,701.59
  6. Step 6: Final answer
    x = 57,690.59

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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.