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Finding the Fourth Proportional to 101,350.59, 152,050.66 and 71,423.21

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Solution

The fourth proportional to 101,350.59, 152,050.66 and 71,423.21 is: 107,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,350.59 : 152,050.66 = 71,423.21 : x
  2. Step 2: Convert to fraction form
    101,350.59/152,050.66 = 71,423.21/x
  3. Step 3: Cross multiply
    101,350.59x = 152,050.66 × 71,423.21
  4. Step 4: Simplify right side
    101,350.59x = 10,859,945,281.01
  5. Step 5: Solve for x
    x = 10,859,945,281.01/101,350.59
  6. Step 6: Final answer
    x = 107,152.27

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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.