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Finding the Fourth Proportional to 178,843,694.73, 267,991,733.34 and 120,334,655.93

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Solution

The fourth proportional to 178,843,694.73, 267,991,733.34 and 120,334,655.93 is: 180,317,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,843,694.73 : 267,991,733.34 = 120,334,655.93 : x
  2. Step 2: Convert to fraction form
    178,843,694.73/267,991,733.34 = 120,334,655.93/x
  3. Step 3: Cross multiply
    178,843,694.73x = 267,991,733.34 × 120,334,655.93
  4. Step 4: Simplify right side
    178,843,694.73x = 32,248,693,022,213,252
  5. Step 5: Solve for x
    x = 32,248,693,022,213,252/178,843,694.73
  6. Step 6: Final answer
    x = 180,317,752.16

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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.