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Finding the Fourth Proportional to 219,187.90, 328,599.60 and 92,925.10

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Solution

The fourth proportional to 219,187.90, 328,599.60 and 92,925.10 is: 139,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,187.90 : 328,599.60 = 92,925.10 : x
  2. Step 2: Convert to fraction form
    219,187.90/328,599.60 = 92,925.10/x
  3. Step 3: Cross multiply
    219,187.90x = 328,599.60 × 92,925.10
  4. Step 4: Simplify right side
    219,187.90x = 30,535,150,689.96
  5. Step 5: Solve for x
    x = 30,535,150,689.96/219,187.90
  6. Step 6: Final answer
    x = 139,310.38

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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.