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Finding the Fourth Proportional to 101,734.80, 152,570.99 and 70,346.55

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Solution

The fourth proportional to 101,734.80, 152,570.99 and 70,346.55 is: 105,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,734.80 : 152,570.99 = 70,346.55 : x
  2. Step 2: Convert to fraction form
    101,734.80/152,570.99 = 70,346.55/x
  3. Step 3: Cross multiply
    101,734.80x = 152,570.99 × 70,346.55
  4. Step 4: Simplify right side
    101,734.80x = 10,732,842,776.58
  5. Step 5: Solve for x
    x = 10,732,842,776.58/101,734.80
  6. Step 6: Final answer
    x = 105,498.24

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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.