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Finding the Fourth Proportional to 55,404,003.40, 83,106,005.10 and 55,404,003.40

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Solution

The fourth proportional to 55,404,003.40, 83,106,005.10 and 55,404,003.40 is: 83,106,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404,003.40 : 83,106,005.10 = 55,404,003.40 : x
  2. Step 2: Convert to fraction form
    55,404,003.40/83,106,005.10 = 55,404,003.40/x
  3. Step 3: Cross multiply
    55,404,003.40x = 83,106,005.10 × 55,404,003.40
  4. Step 4: Simplify right side
    55,404,003.40x = 4,604,405,389,120,817
  5. Step 5: Solve for x
    x = 4,604,405,389,120,817/55,404,003.40
  6. Step 6: Final answer
    x = 83,106,005.10

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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.