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Finding the Fourth Proportional to 117,302.38, 175,926.56 and 69,930.81

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Solution

The fourth proportional to 117,302.38, 175,926.56 and 69,930.81 is: 104,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,302.38 : 175,926.56 = 69,930.81 : x
  2. Step 2: Convert to fraction form
    117,302.38/175,926.56 = 69,930.81/x
  3. Step 3: Cross multiply
    117,302.38x = 175,926.56 × 69,930.81
  4. Step 4: Simplify right side
    117,302.38x = 12,302,686,491.66
  5. Step 5: Solve for x
    x = 12,302,686,491.66/117,302.38
  6. Step 6: Final answer
    x = 104,880.11

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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.