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Finding the Fourth Proportional to 170,203.50, 255,421.89 and 59,395.50

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Solution

The fourth proportional to 170,203.50, 255,421.89 and 59,395.50 is: 89,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,203.50 : 255,421.89 = 59,395.50 : x
  2. Step 2: Convert to fraction form
    170,203.50/255,421.89 = 59,395.50/x
  3. Step 3: Cross multiply
    170,203.50x = 255,421.89 × 59,395.50
  4. Step 4: Simplify right side
    170,203.50x = 15,170,910,867.50
  5. Step 5: Solve for x
    x = 15,170,910,867.50/170,203.50
  6. Step 6: Final answer
    x = 89,133.95

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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.