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Finding the Fourth Proportional to 358,857.02, 538,267.63 and 134,200.94

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Solution

The fourth proportional to 358,857.02, 538,267.63 and 134,200.94 is: 201,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,857.02 : 538,267.63 = 134,200.94 : x
  2. Step 2: Convert to fraction form
    358,857.02/538,267.63 = 134,200.94/x
  3. Step 3: Cross multiply
    358,857.02x = 538,267.63 × 134,200.94
  4. Step 4: Simplify right side
    358,857.02x = 72,236,021,917.57
  5. Step 5: Solve for x
    x = 72,236,021,917.57/358,857.02
  6. Step 6: Final answer
    x = 201,294.72

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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.