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Finding the Fourth Proportional to 101,526.70, 152,189.62 and 48,124.90

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Solution

The fourth proportional to 101,526.70, 152,189.62 and 48,124.90 is: 72,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,526.70 : 152,189.62 = 48,124.90 : x
  2. Step 2: Convert to fraction form
    101,526.70/152,189.62 = 48,124.90/x
  3. Step 3: Cross multiply
    101,526.70x = 152,189.62 × 48,124.90
  4. Step 4: Simplify right side
    101,526.70x = 7,324,110,243.54
  5. Step 5: Solve for x
    x = 7,324,110,243.54/101,526.70
  6. Step 6: Final answer
    x = 72,139.74

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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.