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Finding the Fourth Proportional to 282,048,166.20, 423,072,249.30 and 282,048,166.20

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Solution

The fourth proportional to 282,048,166.20, 423,072,249.30 and 282,048,166.20 is: 423,072,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,048,166.20 : 423,072,249.30 = 282,048,166.20 : x
  2. Step 2: Convert to fraction form
    282,048,166.20/423,072,249.30 = 282,048,166.20/x
  3. Step 3: Cross multiply
    282,048,166.20x = 423,072,249.30 × 282,048,166.20
  4. Step 4: Simplify right side
    282,048,166.20x = 119,326,752,085,174,224
  5. Step 5: Solve for x
    x = 119,326,752,085,174,224/282,048,166.20
  6. Step 6: Final answer
    x = 423,072,249.30

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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.