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Finding the Fourth Proportional to 188,272.40, 282,406.80 and 46,118.30

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Solution

The fourth proportional to 188,272.40, 282,406.80 and 46,118.30 is: 69,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,272.40 : 282,406.80 = 46,118.30 : x
  2. Step 2: Convert to fraction form
    188,272.40/282,406.80 = 46,118.30/x
  3. Step 3: Cross multiply
    188,272.40x = 282,406.80 × 46,118.30
  4. Step 4: Simplify right side
    188,272.40x = 13,024,121,524.44
  5. Step 5: Solve for x
    x = 13,024,121,524.44/188,272.40
  6. Step 6: Final answer
    x = 69,177.01

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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.