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Finding the Fourth Proportional to 374,633.60, 562,023.30 and 161,401.10

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Solution

The fourth proportional to 374,633.60, 562,023.30 and 161,401.10 is: 242,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,633.60 : 562,023.30 = 161,401.10 : x
  2. Step 2: Convert to fraction form
    374,633.60/562,023.30 = 161,401.10/x
  3. Step 3: Cross multiply
    374,633.60x = 562,023.30 × 161,401.10
  4. Step 4: Simplify right side
    374,633.60x = 90,711,178,845.63
  5. Step 5: Solve for x
    x = 90,711,178,845.63/374,633.60
  6. Step 6: Final answer
    x = 242,133.06

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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.