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Finding the Fourth Proportional to 349,955.64, 525,016.89 and 113,298.39

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Solution

The fourth proportional to 349,955.64, 525,016.89 and 113,298.39 is: 169,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,955.64 : 525,016.89 = 113,298.39 : x
  2. Step 2: Convert to fraction form
    349,955.64/525,016.89 = 113,298.39/x
  3. Step 3: Cross multiply
    349,955.64x = 525,016.89 × 113,298.39
  4. Step 4: Simplify right side
    349,955.64x = 59,483,568,359.81
  5. Step 5: Solve for x
    x = 59,483,568,359.81/349,955.64
  6. Step 6: Final answer
    x = 169,974.60

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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.