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Finding the Fourth Proportional to 55,008,048.30, 82,512,072.45 and 55,008,048.30

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Solution

The fourth proportional to 55,008,048.30, 82,512,072.45 and 55,008,048.30 is: 82,512,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008,048.30 : 82,512,072.45 = 55,008,048.30 : x
  2. Step 2: Convert to fraction form
    55,008,048.30/82,512,072.45 = 55,008,048.30/x
  3. Step 3: Cross multiply
    55,008,048.30x = 82,512,072.45 × 55,008,048.30
  4. Step 4: Simplify right side
    55,008,048.30x = 4,538,828,066,662,699
  5. Step 5: Solve for x
    x = 4,538,828,066,662,699/55,008,048.30
  6. Step 6: Final answer
    x = 82,512,072.45

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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.