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Finding the Fourth Proportional to 21,546,178.70, 32,319,268.05 and 21,546,178.70

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Solution

The fourth proportional to 21,546,178.70, 32,319,268.05 and 21,546,178.70 is: 32,319,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,178.70 : 32,319,268.05 = 21,546,178.70 : x
  2. Step 2: Convert to fraction form
    21,546,178.70/32,319,268.05 = 21,546,178.70/x
  3. Step 3: Cross multiply
    21,546,178.70x = 32,319,268.05 × 21,546,178.70
  4. Step 4: Simplify right side
    21,546,178.70x = 696,356,724,858,500.50
  5. Step 5: Solve for x
    x = 696,356,724,858,500.50/21,546,178.70
  6. Step 6: Final answer
    x = 32,319,268.05

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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.