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Finding the Fourth Proportional to 14,611,211.10, 20,500,485.30 and 14,611,211.10

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Solution

The fourth proportional to 14,611,211.10, 20,500,485.30 and 14,611,211.10 is: 20,500,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611,211.10 : 20,500,485.30 = 14,611,211.10 : x
  2. Step 2: Convert to fraction form
    14,611,211.10/20,500,485.30 = 14,611,211.10/x
  3. Step 3: Cross multiply
    14,611,211.10x = 20,500,485.30 × 14,611,211.10
  4. Step 4: Simplify right side
    14,611,211.10x = 299,536,918,370,746.81
  5. Step 5: Solve for x
    x = 299,536,918,370,746.81/14,611,211.10
  6. Step 6: Final answer
    x = 20,500,485.30

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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.