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Finding the Fourth Proportional to 55,413,000.80, 82,930,544.40 and 55,413,000.80

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Solution

The fourth proportional to 55,413,000.80, 82,930,544.40 and 55,413,000.80 is: 82,930,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413,000.80 : 82,930,544.40 = 55,413,000.80 : x
  2. Step 2: Convert to fraction form
    55,413,000.80/82,930,544.40 = 55,413,000.80/x
  3. Step 3: Cross multiply
    55,413,000.80x = 82,930,544.40 × 55,413,000.80
  4. Step 4: Simplify right side
    55,413,000.80x = 4,595,430,323,181,636
  5. Step 5: Solve for x
    x = 4,595,430,323,181,636/55,413,000.80
  6. Step 6: Final answer
    x = 82,930,544.40

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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.