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Finding the Fourth Proportional to 63,430,886.40, 88,611,922.20 and 63,430,886.40

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Solution

The fourth proportional to 63,430,886.40, 88,611,922.20 and 63,430,886.40 is: 88,611,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430,886.40 : 88,611,922.20 = 63,430,886.40 : x
  2. Step 2: Convert to fraction form
    63,430,886.40/88,611,922.20 = 63,430,886.40/x
  3. Step 3: Cross multiply
    63,430,886.40x = 88,611,922.20 × 63,430,886.40
  4. Step 4: Simplify right side
    63,430,886.40x = 5,620,732,770,753,838
  5. Step 5: Solve for x
    x = 5,620,732,770,753,838/63,430,886.40
  6. Step 6: Final answer
    x = 88,611,922.20

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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.