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Finding the Fourth Proportional to 101,734.55, 152,570.62 and 70,346.30

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Solution

The fourth proportional to 101,734.55, 152,570.62 and 70,346.30 is: 105,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,734.55 : 152,570.62 = 70,346.30 : x
  2. Step 2: Convert to fraction form
    101,734.55/152,570.62 = 70,346.30/x
  3. Step 3: Cross multiply
    101,734.55x = 152,570.62 × 70,346.30
  4. Step 4: Simplify right side
    101,734.55x = 10,732,777,666.99
  5. Step 5: Solve for x
    x = 10,732,777,666.99/101,734.55
  6. Step 6: Final answer
    x = 105,497.87

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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.