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Finding the Fourth Proportional to 118,746.59, 178,131.59 and 34,507.49

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Solution

The fourth proportional to 118,746.59, 178,131.59 and 34,507.49 is: 51,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.59 : 178,131.59 = 34,507.49 : x
  2. Step 2: Convert to fraction form
    118,746.59/178,131.59 = 34,507.49/x
  3. Step 3: Cross multiply
    118,746.59x = 178,131.59 × 34,507.49
  4. Step 4: Simplify right side
    118,746.59x = 6,146,873,888.07
  5. Step 5: Solve for x
    x = 6,146,873,888.07/118,746.59
  6. Step 6: Final answer
    x = 51,764.63

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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.