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Finding the Fourth Proportional to 55,334,825.20, 82,852,938.60 and 55,334,825.20

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Solution

The fourth proportional to 55,334,825.20, 82,852,938.60 and 55,334,825.20 is: 82,852,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,825.20 : 82,852,938.60 = 55,334,825.20 : x
  2. Step 2: Convert to fraction form
    55,334,825.20/82,852,938.60 = 55,334,825.20/x
  3. Step 3: Cross multiply
    55,334,825.20x = 82,852,938.60 × 55,334,825.20
  4. Step 4: Simplify right side
    55,334,825.20x = 4,584,652,874,737,333
  5. Step 5: Solve for x
    x = 4,584,652,874,737,333/55,334,825.20
  6. Step 6: Final answer
    x = 82,852,938.60

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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.