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Finding the Fourth Proportional to 52,146,039.15, 73,155,620.25 and 52,146,039.15

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Solution

The fourth proportional to 52,146,039.15, 73,155,620.25 and 52,146,039.15 is: 73,155,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,146,039.15 : 73,155,620.25 = 52,146,039.15 : x
  2. Step 2: Convert to fraction form
    52,146,039.15/73,155,620.25 = 52,146,039.15/x
  3. Step 3: Cross multiply
    52,146,039.15x = 73,155,620.25 × 52,146,039.15
  4. Step 4: Simplify right side
    52,146,039.15x = 3,814,775,837,599,032.50
  5. Step 5: Solve for x
    x = 3,814,775,837,599,032.50/52,146,039.15
  6. Step 6: Final answer
    x = 73,155,620.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.