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Finding the Fourth Proportional to 55,871,330.85, 83,806,996.28 and 55,871,330.85

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Solution

The fourth proportional to 55,871,330.85, 83,806,996.28 and 55,871,330.85 is: 83,806,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871,330.85 : 83,806,996.28 = 55,871,330.85 : x
  2. Step 2: Convert to fraction form
    55,871,330.85/83,806,996.28 = 55,871,330.85/x
  3. Step 3: Cross multiply
    55,871,330.85x = 83,806,996.28 × 55,871,330.85
  4. Step 4: Simplify right side
    55,871,330.85x = 4,682,408,416,425,243
  5. Step 5: Solve for x
    x = 4,682,408,416,425,243/55,871,330.85
  6. Step 6: Final answer
    x = 83,806,996.28

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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.