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Finding the Fourth Proportional to 13,337,720.30, 18,723,196.90 and 13,337,720.30

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Solution

The fourth proportional to 13,337,720.30, 18,723,196.90 and 13,337,720.30 is: 18,723,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,720.30 : 18,723,196.90 = 13,337,720.30 : x
  2. Step 2: Convert to fraction form
    13,337,720.30/18,723,196.90 = 13,337,720.30/x
  3. Step 3: Cross multiply
    13,337,720.30x = 18,723,196.90 × 13,337,720.30
  4. Step 4: Simplify right side
    13,337,720.30x = 249,724,763,374,027.06
  5. Step 5: Solve for x
    x = 249,724,763,374,027.06/13,337,720.30
  6. Step 6: Final answer
    x = 18,723,196.90

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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.