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Finding the Fourth Proportional to 179,809.16, 269,710.86 and 69,001.16

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Solution

The fourth proportional to 179,809.16, 269,710.86 and 69,001.16 is: 103,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,809.16 : 269,710.86 = 69,001.16 : x
  2. Step 2: Convert to fraction form
    179,809.16/269,710.86 = 69,001.16/x
  3. Step 3: Cross multiply
    179,809.16x = 269,710.86 × 69,001.16
  4. Step 4: Simplify right side
    179,809.16x = 18,610,362,204.60
  5. Step 5: Solve for x
    x = 18,610,362,204.60/179,809.16
  6. Step 6: Final answer
    x = 103,500.63

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1.5x scale

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.