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Finding the Fourth Proportional to 301,073,417.54, 451,631,892.44 and 126,020,395.40

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Solution

The fourth proportional to 301,073,417.54, 451,631,892.44 and 126,020,395.40 is: 189,039,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,073,417.54 : 451,631,892.44 = 126,020,395.40 : x
  2. Step 2: Convert to fraction form
    301,073,417.54/451,631,892.44 = 126,020,395.40/x
  3. Step 3: Cross multiply
    301,073,417.54x = 451,631,892.44 × 126,020,395.40
  4. Step 4: Simplify right side
    301,073,417.54x = 56,914,829,661,138,648
  5. Step 5: Solve for x
    x = 56,914,829,661,138,648/301,073,417.54
  6. Step 6: Final answer
    x = 189,039,703.76

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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.