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Finding the Fourth Proportional to 184,646.64, 276,859.12 and 84,681.60

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Solution

The fourth proportional to 184,646.64, 276,859.12 and 84,681.60 is: 126,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,646.64 : 276,859.12 = 84,681.60 : x
  2. Step 2: Convert to fraction form
    184,646.64/276,859.12 = 84,681.60/x
  3. Step 3: Cross multiply
    184,646.64x = 276,859.12 × 84,681.60
  4. Step 4: Simplify right side
    184,646.64x = 23,444,873,256.19
  5. Step 5: Solve for x
    x = 23,444,873,256.19/184,646.64
  6. Step 6: Final answer
    x = 126,971.57

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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.