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Finding the Fourth Proportional to 63,430,885.90, 88,611,921.50 and 63,430,885.90

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Solution

The fourth proportional to 63,430,885.90, 88,611,921.50 and 63,430,885.90 is: 88,611,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430,885.90 : 88,611,921.50 = 63,430,885.90 : x
  2. Step 2: Convert to fraction form
    63,430,885.90/88,611,921.50 = 63,430,885.90/x
  3. Step 3: Cross multiply
    63,430,885.90x = 88,611,921.50 × 63,430,885.90
  4. Step 4: Simplify right side
    63,430,885.90x = 5,620,732,682,046,257
  5. Step 5: Solve for x
    x = 5,620,732,682,046,257/63,430,885.90
  6. Step 6: Final answer
    x = 88,611,921.50

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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.