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Finding the Fourth Proportional to 271,507,466.80, 407,261,200.20 and 89,754,644.80

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Solution

The fourth proportional to 271,507,466.80, 407,261,200.20 and 89,754,644.80 is: 134,631,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,507,466.80 : 407,261,200.20 = 89,754,644.80 : x
  2. Step 2: Convert to fraction form
    271,507,466.80/407,261,200.20 = 89,754,644.80/x
  3. Step 3: Cross multiply
    271,507,466.80x = 407,261,200.20 × 89,754,644.80
  4. Step 4: Simplify right side
    271,507,466.80x = 36,553,584,364,772,688
  5. Step 5: Solve for x
    x = 36,553,584,364,772,688/271,507,466.80
  6. Step 6: Final answer
    x = 134,631,967.20

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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.