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Finding the Fourth Proportional to 80,875,904.70, 113,427,820.50 and 80,875,904.70

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Solution

The fourth proportional to 80,875,904.70, 113,427,820.50 and 80,875,904.70 is: 113,427,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875,904.70 : 113,427,820.50 = 80,875,904.70 : x
  2. Step 2: Convert to fraction form
    80,875,904.70/113,427,820.50 = 80,875,904.70/x
  3. Step 3: Cross multiply
    80,875,904.70x = 113,427,820.50 × 80,875,904.70
  4. Step 4: Simplify right side
    80,875,904.70x = 9,173,577,601,086,706
  5. Step 5: Solve for x
    x = 9,173,577,601,086,706/80,875,904.70
  6. Step 6: Final answer
    x = 113,427,820.50

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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.