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Finding the Fourth Proportional to 336,671, 505,091.08 and 96,785.34

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Solution

The fourth proportional to 336,671, 505,091.08 and 96,785.34 is: 145,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,671 : 505,091.08 = 96,785.34 : x
  2. Step 2: Convert to fraction form
    336,671/505,091.08 = 96,785.34/x
  3. Step 3: Cross multiply
    336,671x = 505,091.08 × 96,785.34
  4. Step 4: Simplify right side
    336,671x = 48,885,411,908.77
  5. Step 5: Solve for x
    x = 48,885,411,908.77/336,671
  6. Step 6: Final answer
    x = 145,202.32

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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.