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Finding the Fourth Proportional to 113,476.10, 170,214.15 and 101,228.90

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Solution

The fourth proportional to 113,476.10, 170,214.15 and 101,228.90 is: 151,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.10 : 170,214.15 = 101,228.90 : x
  2. Step 2: Convert to fraction form
    113,476.10/170,214.15 = 101,228.90/x
  3. Step 3: Cross multiply
    113,476.10x = 170,214.15 × 101,228.90
  4. Step 4: Simplify right side
    113,476.10x = 17,230,591,168.94
  5. Step 5: Solve for x
    x = 17,230,591,168.94/113,476.10
  6. Step 6: Final answer
    x = 151,843.35

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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.