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Finding the Fourth Proportional to 352,729.84, 529,155.24 and 116,139.64

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Solution

The fourth proportional to 352,729.84, 529,155.24 and 116,139.64 is: 174,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,729.84 : 529,155.24 = 116,139.64 : x
  2. Step 2: Convert to fraction form
    352,729.84/529,155.24 = 116,139.64/x
  3. Step 3: Cross multiply
    352,729.84x = 529,155.24 × 116,139.64
  4. Step 4: Simplify right side
    352,729.84x = 61,455,899,077.71
  5. Step 5: Solve for x
    x = 61,455,899,077.71/352,729.84
  6. Step 6: Final answer
    x = 174,229.37

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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.