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Finding the Fourth Proportional to 188,322.02, 282,482.90 and 48,080.60

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Solution

The fourth proportional to 188,322.02, 282,482.90 and 48,080.60 is: 72,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,322.02 : 282,482.90 = 48,080.60 : x
  2. Step 2: Convert to fraction form
    188,322.02/282,482.90 = 48,080.60/x
  3. Step 3: Cross multiply
    188,322.02x = 282,482.90 × 48,080.60
  4. Step 4: Simplify right side
    188,322.02x = 13,581,947,321.74
  5. Step 5: Solve for x
    x = 13,581,947,321.74/188,322.02
  6. Step 6: Final answer
    x = 72,120.87

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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.