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Finding the Fourth Proportional to 188,534.83, 260,179.83 and 103,652.50

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Solution

The fourth proportional to 188,534.83, 260,179.83 and 103,652.50 is: 143,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,534.83 : 260,179.83 = 103,652.50 : x
  2. Step 2: Convert to fraction form
    188,534.83/260,179.83 = 103,652.50/x
  3. Step 3: Cross multiply
    188,534.83x = 260,179.83 × 103,652.50
  4. Step 4: Simplify right side
    188,534.83x = 26,968,289,829.08
  5. Step 5: Solve for x
    x = 26,968,289,829.08/188,534.83
  6. Step 6: Final answer
    x = 143,041.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.