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Finding the Fourth Proportional to 186,658.02, 280,028.49 and 53,528.04

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Solution

The fourth proportional to 186,658.02, 280,028.49 and 53,528.04 is: 80,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,658.02 : 280,028.49 = 53,528.04 : x
  2. Step 2: Convert to fraction form
    186,658.02/280,028.49 = 53,528.04/x
  3. Step 3: Cross multiply
    186,658.02x = 280,028.49 × 53,528.04
  4. Step 4: Simplify right side
    186,658.02x = 14,989,376,314.22
  5. Step 5: Solve for x
    x = 14,989,376,314.22/186,658.02
  6. Step 6: Final answer
    x = 80,303.95

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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.