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Finding the Fourth Proportional to 101,669.44, 152,452.16 and 42,488.96

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Solution

The fourth proportional to 101,669.44, 152,452.16 and 42,488.96 is: 63,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,669.44 : 152,452.16 = 42,488.96 : x
  2. Step 2: Convert to fraction form
    101,669.44/152,452.16 = 42,488.96/x
  3. Step 3: Cross multiply
    101,669.44x = 152,452.16 × 42,488.96
  4. Step 4: Simplify right side
    101,669.44x = 6,477,533,728.15
  5. Step 5: Solve for x
    x = 6,477,533,728.15/101,669.44
  6. Step 6: Final answer
    x = 63,711.71

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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.