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Finding the Fourth Proportional to 79,054.82, 118,598.08 and 29,135.16

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Solution

The fourth proportional to 79,054.82, 118,598.08 and 29,135.16 is: 43,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,054.82 : 118,598.08 = 29,135.16 : x
  2. Step 2: Convert to fraction form
    79,054.82/118,598.08 = 29,135.16/x
  3. Step 3: Cross multiply
    79,054.82x = 118,598.08 × 29,135.16
  4. Step 4: Simplify right side
    79,054.82x = 3,455,374,036.49
  5. Step 5: Solve for x
    x = 3,455,374,036.49/79,054.82
  6. Step 6: Final answer
    x = 43,708.58

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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.