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Finding the Fourth Proportional to 365,312.10, 547,969.14 and 112,584.42

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Solution

The fourth proportional to 365,312.10, 547,969.14 and 112,584.42 is: 168,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,312.10 : 547,969.14 = 112,584.42 : x
  2. Step 2: Convert to fraction form
    365,312.10/547,969.14 = 112,584.42/x
  3. Step 3: Cross multiply
    365,312.10x = 547,969.14 × 112,584.42
  4. Step 4: Simplify right side
    365,312.10x = 61,692,787,804.80
  5. Step 5: Solve for x
    x = 61,692,787,804.80/365,312.10
  6. Step 6: Final answer
    x = 168,876.94

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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.