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Finding the Fourth Proportional to 176,543,644.60, 264,815,466.90 and 79,545,820.60

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Solution

The fourth proportional to 176,543,644.60, 264,815,466.90 and 79,545,820.60 is: 119,318,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,543,644.60 : 264,815,466.90 = 79,545,820.60 : x
  2. Step 2: Convert to fraction form
    176,543,644.60/264,815,466.90 = 79,545,820.60/x
  3. Step 3: Cross multiply
    176,543,644.60x = 264,815,466.90 × 79,545,820.60
  4. Step 4: Simplify right side
    176,543,644.60x = 21,064,963,622,132,636
  5. Step 5: Solve for x
    x = 21,064,963,622,132,636/176,543,644.60
  6. Step 6: Final answer
    x = 119,318,730.90

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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.