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Finding the Fourth Proportional to 176,114.48, 264,180.40 and 70,919.28

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Solution

The fourth proportional to 176,114.48, 264,180.40 and 70,919.28 is: 106,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,114.48 : 264,180.40 = 70,919.28 : x
  2. Step 2: Convert to fraction form
    176,114.48/264,180.40 = 70,919.28/x
  3. Step 3: Cross multiply
    176,114.48x = 264,180.40 × 70,919.28
  4. Step 4: Simplify right side
    176,114.48x = 18,735,483,758.11
  5. Step 5: Solve for x
    x = 18,735,483,758.11/176,114.48
  6. Step 6: Final answer
    x = 106,382.42

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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.