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Finding the Fourth Proportional to 234,081.96, 323,030.81 and 126,649.64

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Solution

The fourth proportional to 234,081.96, 323,030.81 and 126,649.64 is: 174,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,081.96 : 323,030.81 = 126,649.64 : x
  2. Step 2: Convert to fraction form
    234,081.96/323,030.81 = 126,649.64/x
  3. Step 3: Cross multiply
    234,081.96x = 323,030.81 × 126,649.64
  4. Step 4: Simplify right side
    234,081.96x = 40,911,733,547.01
  5. Step 5: Solve for x
    x = 40,911,733,547.01/234,081.96
  6. Step 6: Final answer
    x = 174,775.25

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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.