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Finding the Fourth Proportional to 191,636.84, 287,349.44 and 88,942.20

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Solution

The fourth proportional to 191,636.84, 287,349.44 and 88,942.20 is: 133,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,636.84 : 287,349.44 = 88,942.20 : x
  2. Step 2: Convert to fraction form
    191,636.84/287,349.44 = 88,942.20/x
  3. Step 3: Cross multiply
    191,636.84x = 287,349.44 × 88,942.20
  4. Step 4: Simplify right side
    191,636.84x = 25,557,491,362.37
  5. Step 5: Solve for x
    x = 25,557,491,362.37/191,636.84
  6. Step 6: Final answer
    x = 133,364.19

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1.5x scale

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.