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Finding the Fourth Proportional to 170,293.52, 255,440.30 and 51,965.48

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Solution

The fourth proportional to 170,293.52, 255,440.30 and 51,965.48 is: 77,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,293.52 : 255,440.30 = 51,965.48 : x
  2. Step 2: Convert to fraction form
    170,293.52/255,440.30 = 51,965.48/x
  3. Step 3: Cross multiply
    170,293.52x = 255,440.30 × 51,965.48
  4. Step 4: Simplify right side
    170,293.52x = 13,274,077,800.84
  5. Step 5: Solve for x
    x = 13,274,077,800.84/170,293.52
  6. Step 6: Final answer
    x = 77,948.23

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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.