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Finding the Fourth Proportional to 184,456.79, 276,643.65 and 120,394.77

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Solution

The fourth proportional to 184,456.79, 276,643.65 and 120,394.77 is: 180,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,456.79 : 276,643.65 = 120,394.77 : x
  2. Step 2: Convert to fraction form
    184,456.79/276,643.65 = 120,394.77/x
  3. Step 3: Cross multiply
    184,456.79x = 276,643.65 × 120,394.77
  4. Step 4: Simplify right side
    184,456.79x = 33,306,448,613.71
  5. Step 5: Solve for x
    x = 33,306,448,613.71/184,456.79
  6. Step 6: Final answer
    x = 180,565.05

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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.