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Finding the Fourth Proportional to 178,339,963.80, 267,509,945.70 and 151,130,184.60

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Solution

The fourth proportional to 178,339,963.80, 267,509,945.70 and 151,130,184.60 is: 226,695,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,339,963.80 : 267,509,945.70 = 151,130,184.60 : x
  2. Step 2: Convert to fraction form
    178,339,963.80/267,509,945.70 = 151,130,184.60/x
  3. Step 3: Cross multiply
    178,339,963.80x = 267,509,945.70 × 151,130,184.60
  4. Step 4: Simplify right side
    178,339,963.80x = 40,428,827,475,976,976
  5. Step 5: Solve for x
    x = 40,428,827,475,976,976/178,339,963.80
  6. Step 6: Final answer
    x = 226,695,276.90

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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.