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Finding the Fourth Proportional to 230,804.40, 346,271.40 and 112,479.60

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Solution

The fourth proportional to 230,804.40, 346,271.40 and 112,479.60 is: 168,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,804.40 : 346,271.40 = 112,479.60 : x
  2. Step 2: Convert to fraction form
    230,804.40/346,271.40 = 112,479.60/x
  3. Step 3: Cross multiply
    230,804.40x = 346,271.40 × 112,479.60
  4. Step 4: Simplify right side
    230,804.40x = 38,948,468,563.44
  5. Step 5: Solve for x
    x = 38,948,468,563.44/230,804.40
  6. Step 6: Final answer
    x = 168,750.98

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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.