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Finding the Fourth Proportional to 191,930.60, 287,895.90 and 168,602.60

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Solution

The fourth proportional to 191,930.60, 287,895.90 and 168,602.60 is: 252,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,930.60 : 287,895.90 = 168,602.60 : x
  2. Step 2: Convert to fraction form
    191,930.60/287,895.90 = 168,602.60/x
  3. Step 3: Cross multiply
    191,930.60x = 287,895.90 × 168,602.60
  4. Step 4: Simplify right side
    191,930.60x = 48,539,997,269.34
  5. Step 5: Solve for x
    x = 48,539,997,269.34/191,930.60
  6. Step 6: Final answer
    x = 252,903.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.