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Finding the Fourth Proportional to 50,553,505.20, 75,830,257.80 and 50,553,505.20

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Solution

The fourth proportional to 50,553,505.20, 75,830,257.80 and 50,553,505.20 is: 75,830,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,553,505.20 : 75,830,257.80 = 50,553,505.20 : x
  2. Step 2: Convert to fraction form
    50,553,505.20/75,830,257.80 = 50,553,505.20/x
  3. Step 3: Cross multiply
    50,553,505.20x = 75,830,257.80 × 50,553,505.20
  4. Step 4: Simplify right side
    50,553,505.20x = 3,833,485,332,009,640.50
  5. Step 5: Solve for x
    x = 3,833,485,332,009,640.50/50,553,505.20
  6. Step 6: Final answer
    x = 75,830,257.80

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1.5x scale

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.