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Finding the Fourth Proportional to 37,139,720.20, 55,709,580.30 and 37,139,720.20

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Solution

The fourth proportional to 37,139,720.20, 55,709,580.30 and 37,139,720.20 is: 55,709,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139,720.20 : 55,709,580.30 = 37,139,720.20 : x
  2. Step 2: Convert to fraction form
    37,139,720.20/55,709,580.30 = 37,139,720.20/x
  3. Step 3: Cross multiply
    37,139,720.20x = 55,709,580.30 × 37,139,720.20
  4. Step 4: Simplify right side
    37,139,720.20x = 2,069,038,224,801,432
  5. Step 5: Solve for x
    x = 2,069,038,224,801,432/37,139,720.20
  6. Step 6: Final answer
    x = 55,709,580.30

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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.