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Finding the Fourth Proportional to 170,593.44, 255,888 and 77,033.76

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Solution

The fourth proportional to 170,593.44, 255,888 and 77,033.76 is: 115,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,593.44 : 255,888 = 77,033.76 : x
  2. Step 2: Convert to fraction form
    170,593.44/255,888 = 77,033.76/x
  3. Step 3: Cross multiply
    170,593.44x = 255,888 × 77,033.76
  4. Step 4: Simplify right side
    170,593.44x = 19,712,014,778.88
  5. Step 5: Solve for x
    x = 19,712,014,778.88/170,593.44
  6. Step 6: Final answer
    x = 115,549.66

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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.