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Finding the Fourth Proportional to 101,870.87, 152,771.70 and 35,295.46

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Solution

The fourth proportional to 101,870.87, 152,771.70 and 35,295.46 is: 52,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,870.87 : 152,771.70 = 35,295.46 : x
  2. Step 2: Convert to fraction form
    101,870.87/152,771.70 = 35,295.46/x
  3. Step 3: Cross multiply
    101,870.87x = 152,771.70 × 35,295.46
  4. Step 4: Simplify right side
    101,870.87x = 5,392,147,176.91
  5. Step 5: Solve for x
    x = 5,392,147,176.91/101,870.87
  6. Step 6: Final answer
    x = 52,931.20

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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.