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Finding the Fourth Proportional to 49,009,553.20, 73,514,329.80 and 49,009,553.20

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Solution

The fourth proportional to 49,009,553.20, 73,514,329.80 and 49,009,553.20 is: 73,514,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009,553.20 : 73,514,329.80 = 49,009,553.20 : x
  2. Step 2: Convert to fraction form
    49,009,553.20/73,514,329.80 = 49,009,553.20/x
  3. Step 3: Cross multiply
    49,009,553.20x = 73,514,329.80 × 49,009,553.20
  4. Step 4: Simplify right side
    49,009,553.20x = 3,602,904,457,295,445.50
  5. Step 5: Solve for x
    x = 3,602,904,457,295,445.50/49,009,553.20
  6. Step 6: Final answer
    x = 73,514,329.80

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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.