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Finding the Fourth Proportional to 105,217.58, 157,863.28 and 54,592.28

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Solution

The fourth proportional to 105,217.58, 157,863.28 and 54,592.28 is: 81,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217.58 : 157,863.28 = 54,592.28 : x
  2. Step 2: Convert to fraction form
    105,217.58/157,863.28 = 54,592.28/x
  3. Step 3: Cross multiply
    105,217.58x = 157,863.28 × 54,592.28
  4. Step 4: Simplify right side
    105,217.58x = 8,618,116,383.48
  5. Step 5: Solve for x
    x = 8,618,116,383.48/105,217.58
  6. Step 6: Final answer
    x = 81,907.57

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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.