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Finding the Fourth Proportional to 170,009, 234,612.42 and 94,555.88

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Solution

The fourth proportional to 170,009, 234,612.42 and 94,555.88 is: 130,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,009 : 234,612.42 = 94,555.88 : x
  2. Step 2: Convert to fraction form
    170,009/234,612.42 = 94,555.88/x
  3. Step 3: Cross multiply
    170,009x = 234,612.42 × 94,555.88
  4. Step 4: Simplify right side
    170,009x = 22,183,983,832.03
  5. Step 5: Solve for x
    x = 22,183,983,832.03/170,009
  6. Step 6: Final answer
    x = 130,487.11

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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.