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Finding the Fourth Proportional to 161,454.60, 242,181.90 and 102,551.40

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Solution

The fourth proportional to 161,454.60, 242,181.90 and 102,551.40 is: 153,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,454.60 : 242,181.90 = 102,551.40 : x
  2. Step 2: Convert to fraction form
    161,454.60/242,181.90 = 102,551.40/x
  3. Step 3: Cross multiply
    161,454.60x = 242,181.90 × 102,551.40
  4. Step 4: Simplify right side
    161,454.60x = 24,836,092,899.66
  5. Step 5: Solve for x
    x = 24,836,092,899.66/161,454.60
  6. Step 6: Final answer
    x = 153,827.10

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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.