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Finding the Fourth Proportional to 170,881.80, 256,347.21 and 52,563.12

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Solution

The fourth proportional to 170,881.80, 256,347.21 and 52,563.12 is: 78,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,881.80 : 256,347.21 = 52,563.12 : x
  2. Step 2: Convert to fraction form
    170,881.80/256,347.21 = 52,563.12/x
  3. Step 3: Cross multiply
    170,881.80x = 256,347.21 × 52,563.12
  4. Step 4: Simplify right side
    170,881.80x = 13,474,409,160.90
  5. Step 5: Solve for x
    x = 13,474,409,160.90/170,881.80
  6. Step 6: Final answer
    x = 78,852.22

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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.