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Finding the Fourth Proportional to 176,858, 244,271.40 and 117,138.32

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Solution

The fourth proportional to 176,858, 244,271.40 and 117,138.32 is: 161,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,858 : 244,271.40 = 117,138.32 : x
  2. Step 2: Convert to fraction form
    176,858/244,271.40 = 117,138.32/x
  3. Step 3: Cross multiply
    176,858x = 244,271.40 × 117,138.32
  4. Step 4: Simplify right side
    176,858x = 28,613,541,420.05
  5. Step 5: Solve for x
    x = 28,613,541,420.05/176,858
  6. Step 6: Final answer
    x = 161,788.22

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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.