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Finding the Fourth Proportional to 108,574.26, 162,835.20 and 45,360.24

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Solution

The fourth proportional to 108,574.26, 162,835.20 and 45,360.24 is: 68,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,574.26 : 162,835.20 = 45,360.24 : x
  2. Step 2: Convert to fraction form
    108,574.26/162,835.20 = 45,360.24/x
  3. Step 3: Cross multiply
    108,574.26x = 162,835.20 × 45,360.24
  4. Step 4: Simplify right side
    108,574.26x = 7,386,243,752.45
  5. Step 5: Solve for x
    x = 7,386,243,752.45/108,574.26
  6. Step 6: Final answer
    x = 68,029.42

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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.