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Finding the Fourth Proportional to 184,458.61, 254,549.43 and 100,543.84

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Solution

The fourth proportional to 184,458.61, 254,549.43 and 100,543.84 is: 138,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,458.61 : 254,549.43 = 100,543.84 : x
  2. Step 2: Convert to fraction form
    184,458.61/254,549.43 = 100,543.84/x
  3. Step 3: Cross multiply
    184,458.61x = 254,549.43 × 100,543.84
  4. Step 4: Simplify right side
    184,458.61x = 25,593,377,162.01
  5. Step 5: Solve for x
    x = 25,593,377,162.01/184,458.61
  6. Step 6: Final answer
    x = 138,748.62

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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.