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Finding the Fourth Proportional to 184,702,073.04, 254,777,804.64 and 121,978,748.88

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Solution

The fourth proportional to 184,702,073.04, 254,777,804.64 and 121,978,748.88 is: 168,257,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,702,073.04 : 254,777,804.64 = 121,978,748.88 : x
  2. Step 2: Convert to fraction form
    184,702,073.04/254,777,804.64 = 121,978,748.88/x
  3. Step 3: Cross multiply
    184,702,073.04x = 254,777,804.64 × 121,978,748.88
  4. Step 4: Simplify right side
    184,702,073.04x = 31,077,477,852,380,256
  5. Step 5: Solve for x
    x = 31,077,477,852,380,256/184,702,073.04
  6. Step 6: Final answer
    x = 168,257,331.07

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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.