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Finding the Fourth Proportional to 281,553.68, 422,386.68 and 94,558.16

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Solution

The fourth proportional to 281,553.68, 422,386.68 and 94,558.16 is: 141,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,553.68 : 422,386.68 = 94,558.16 : x
  2. Step 2: Convert to fraction form
    281,553.68/422,386.68 = 94,558.16/x
  3. Step 3: Cross multiply
    281,553.68x = 422,386.68 × 94,558.16
  4. Step 4: Simplify right side
    281,553.68x = 39,940,107,269.31
  5. Step 5: Solve for x
    x = 39,940,107,269.31/281,553.68
  6. Step 6: Final answer
    x = 141,856.10

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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.