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Finding the Fourth Proportional to 54,275,429.70, 76,187,155.50 and 54,275,429.70

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Solution

The fourth proportional to 54,275,429.70, 76,187,155.50 and 54,275,429.70 is: 76,187,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275,429.70 : 76,187,155.50 = 54,275,429.70 : x
  2. Step 2: Convert to fraction form
    54,275,429.70/76,187,155.50 = 54,275,429.70/x
  3. Step 3: Cross multiply
    54,275,429.70x = 76,187,155.50 × 54,275,429.70
  4. Step 4: Simplify right side
    54,275,429.70x = 4,135,090,602,383,218.50
  5. Step 5: Solve for x
    x = 4,135,090,602,383,218.50/54,275,429.70
  6. Step 6: Final answer
    x = 76,187,155.50

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1.5x scale

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.