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Finding the Fourth Proportional to 184,600, 254,748 and 99,717.06

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Solution

The fourth proportional to 184,600, 254,748 and 99,717.06 is: 137,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,600 : 254,748 = 99,717.06 : x
  2. Step 2: Convert to fraction form
    184,600/254,748 = 99,717.06/x
  3. Step 3: Cross multiply
    184,600x = 254,748 × 99,717.06
  4. Step 4: Simplify right side
    184,600x = 25,402,721,600.88
  5. Step 5: Solve for x
    x = 25,402,721,600.88/184,600
  6. Step 6: Final answer
    x = 137,609.54

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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.