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Finding the Fourth Proportional to 170,189.70, 234,859.80 and 93,707.20

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Solution

The fourth proportional to 170,189.70, 234,859.80 and 93,707.20 is: 129,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,189.70 : 234,859.80 = 93,707.20 : x
  2. Step 2: Convert to fraction form
    170,189.70/234,859.80 = 93,707.20/x
  3. Step 3: Cross multiply
    170,189.70x = 234,859.80 × 93,707.20
  4. Step 4: Simplify right side
    170,189.70x = 22,008,054,250.56
  5. Step 5: Solve for x
    x = 22,008,054,250.56/170,189.70
  6. Step 6: Final answer
    x = 129,314.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.