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Finding the Fourth Proportional to 56,676,007.20, 84,888,039.60 and 56,676,007.20

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Solution

The fourth proportional to 56,676,007.20, 84,888,039.60 and 56,676,007.20 is: 84,888,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676,007.20 : 84,888,039.60 = 56,676,007.20 : x
  2. Step 2: Convert to fraction form
    56,676,007.20/84,888,039.60 = 56,676,007.20/x
  3. Step 3: Cross multiply
    56,676,007.20x = 84,888,039.60 × 56,676,007.20
  4. Step 4: Simplify right side
    56,676,007.20x = 4,811,115,143,563,485
  5. Step 5: Solve for x
    x = 4,811,115,143,563,485/56,676,007.20
  6. Step 6: Final answer
    x = 84,888,039.60

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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.