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Finding the Fourth Proportional to 355,983,492.60, 534,134,671.20 and 161,794,951.20

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Solution

The fourth proportional to 355,983,492.60, 534,134,671.20 and 161,794,951.20 is: 242,764,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,983,492.60 : 534,134,671.20 = 161,794,951.20 : x
  2. Step 2: Convert to fraction form
    355,983,492.60/534,134,671.20 = 161,794,951.20/x
  3. Step 3: Cross multiply
    355,983,492.60x = 534,134,671.20 × 161,794,951.20
  4. Step 4: Simplify right side
    355,983,492.60x = 86,420,293,061,032,032
  5. Step 5: Solve for x
    x = 86,420,293,061,032,032/355,983,492.60
  6. Step 6: Final answer
    x = 242,764,888.98

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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.