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Finding the Fourth Proportional to 170,309.25, 255,459.02 and 51,963.39

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Solution

The fourth proportional to 170,309.25, 255,459.02 and 51,963.39 is: 77,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,309.25 : 255,459.02 = 51,963.39 : x
  2. Step 2: Convert to fraction form
    170,309.25/255,459.02 = 51,963.39/x
  3. Step 3: Cross multiply
    170,309.25x = 255,459.02 × 51,963.39
  4. Step 4: Simplify right side
    170,309.25x = 13,274,516,425.46
  5. Step 5: Solve for x
    x = 13,274,516,425.46/170,309.25
  6. Step 6: Final answer
    x = 77,943.60

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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.