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Finding the Fourth Proportional to 176,908.40, 265,362.60 and 117,859.40

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Solution

The fourth proportional to 176,908.40, 265,362.60 and 117,859.40 is: 176,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,908.40 : 265,362.60 = 117,859.40 : x
  2. Step 2: Convert to fraction form
    176,908.40/265,362.60 = 117,859.40/x
  3. Step 3: Cross multiply
    176,908.40x = 265,362.60 × 117,859.40
  4. Step 4: Simplify right side
    176,908.40x = 31,275,476,818.44
  5. Step 5: Solve for x
    x = 31,275,476,818.44/176,908.40
  6. Step 6: Final answer
    x = 176,789.10

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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.