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Finding the Fourth Proportional to 108,633.70, 162,950.55 and 64,237.60

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Solution

The fourth proportional to 108,633.70, 162,950.55 and 64,237.60 is: 96,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,633.70 : 162,950.55 = 64,237.60 : x
  2. Step 2: Convert to fraction form
    108,633.70/162,950.55 = 64,237.60/x
  3. Step 3: Cross multiply
    108,633.70x = 162,950.55 × 64,237.60
  4. Step 4: Simplify right side
    108,633.70x = 10,467,552,250.68
  5. Step 5: Solve for x
    x = 10,467,552,250.68/108,633.70
  6. Step 6: Final answer
    x = 96,356.40

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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.