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Finding the Fourth Proportional to 170,274.48, 255,410.30 and 63,685.32

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Solution

The fourth proportional to 170,274.48, 255,410.30 and 63,685.32 is: 95,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,274.48 : 255,410.30 = 63,685.32 : x
  2. Step 2: Convert to fraction form
    170,274.48/255,410.30 = 63,685.32/x
  3. Step 3: Cross multiply
    170,274.48x = 255,410.30 × 63,685.32
  4. Step 4: Simplify right side
    170,274.48x = 16,265,886,686.80
  5. Step 5: Solve for x
    x = 16,265,886,686.80/170,274.48
  6. Step 6: Final answer
    x = 95,527.45

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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.