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Finding the Fourth Proportional to 171,528.88, 236,825.52 and 107,096.32

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Solution

The fourth proportional to 171,528.88, 236,825.52 and 107,096.32 is: 147,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,528.88 : 236,825.52 = 107,096.32 : x
  2. Step 2: Convert to fraction form
    171,528.88/236,825.52 = 107,096.32/x
  3. Step 3: Cross multiply
    171,528.88x = 236,825.52 × 107,096.32
  4. Step 4: Simplify right side
    171,528.88x = 25,363,141,674.09
  5. Step 5: Solve for x
    x = 25,363,141,674.09/171,528.88
  6. Step 6: Final answer
    x = 147,865.14

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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.