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Finding the Fourth Proportional to 20,121,267.35, 30,181,901.03 and 20,121,267.35

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Solution

The fourth proportional to 20,121,267.35, 30,181,901.03 and 20,121,267.35 is: 30,181,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,267.35 : 30,181,901.03 = 20,121,267.35 : x
  2. Step 2: Convert to fraction form
    20,121,267.35/30,181,901.03 = 20,121,267.35/x
  3. Step 3: Cross multiply
    20,121,267.35x = 30,181,901.03 × 20,121,267.35
  4. Step 4: Simplify right side
    20,121,267.35x = 607,298,099,755,870.50
  5. Step 5: Solve for x
    x = 607,298,099,755,870.50/20,121,267.35
  6. Step 6: Final answer
    x = 30,181,901.03

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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.