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Finding the Fourth Proportional to 188,642.93, 282,933.62 and 55,492.04

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Solution

The fourth proportional to 188,642.93, 282,933.62 and 55,492.04 is: 83,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,642.93 : 282,933.62 = 55,492.04 : x
  2. Step 2: Convert to fraction form
    188,642.93/282,933.62 = 55,492.04/x
  3. Step 3: Cross multiply
    188,642.93x = 282,933.62 × 55,492.04
  4. Step 4: Simplify right side
    188,642.93x = 15,700,563,116.99
  5. Step 5: Solve for x
    x = 15,700,563,116.99/188,642.93
  6. Step 6: Final answer
    x = 83,229.01

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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.