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Finding the Fourth Proportional to 340,601.60, 510,902.40 and 87,881.60

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Solution

The fourth proportional to 340,601.60, 510,902.40 and 87,881.60 is: 131,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,601.60 : 510,902.40 = 87,881.60 : x
  2. Step 2: Convert to fraction form
    340,601.60/510,902.40 = 87,881.60/x
  3. Step 3: Cross multiply
    340,601.60x = 510,902.40 × 87,881.60
  4. Step 4: Simplify right side
    340,601.60x = 44,898,920,355.84
  5. Step 5: Solve for x
    x = 44,898,920,355.84/340,601.60
  6. Step 6: Final answer
    x = 131,822.40

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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.