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Finding the Fourth Proportional to 19,914,200.55, 29,871,300.83 and 19,914,200.55

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Solution

The fourth proportional to 19,914,200.55, 29,871,300.83 and 19,914,200.55 is: 29,871,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914,200.55 : 29,871,300.83 = 19,914,200.55 : x
  2. Step 2: Convert to fraction form
    19,914,200.55/29,871,300.83 = 19,914,200.55/x
  3. Step 3: Cross multiply
    19,914,200.55x = 29,871,300.83 × 19,914,200.55
  4. Step 4: Simplify right side
    19,914,200.55x = 594,863,075,318,430.50
  5. Step 5: Solve for x
    x = 594,863,075,318,430.50/19,914,200.55
  6. Step 6: Final answer
    x = 29,871,300.83

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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.