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Finding the Fourth Proportional to 16,388,121.60, 24,582,182.40 and 16,388,121.60

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Solution

The fourth proportional to 16,388,121.60, 24,582,182.40 and 16,388,121.60 is: 24,582,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,121.60 : 24,582,182.40 = 16,388,121.60 : x
  2. Step 2: Convert to fraction form
    16,388,121.60/24,582,182.40 = 16,388,121.60/x
  3. Step 3: Cross multiply
    16,388,121.60x = 24,582,182.40 × 16,388,121.60
  4. Step 4: Simplify right side
    16,388,121.60x = 402,855,794,364,579.81
  5. Step 5: Solve for x
    x = 402,855,794,364,579.81/16,388,121.60
  6. Step 6: Final answer
    x = 24,582,182.40

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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.