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Finding the Fourth Proportional to 133,614, 184,415.40 and 122,841.81

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Solution

The fourth proportional to 133,614, 184,415.40 and 122,841.81 is: 169,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,614 : 184,415.40 = 122,841.81 : x
  2. Step 2: Convert to fraction form
    133,614/184,415.40 = 122,841.81/x
  3. Step 3: Cross multiply
    133,614x = 184,415.40 × 122,841.81
  4. Step 4: Simplify right side
    133,614x = 22,653,921,527.87
  5. Step 5: Solve for x
    x = 22,653,921,527.87/133,614
  6. Step 6: Final answer
    x = 169,547.51

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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.