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Finding the Fourth Proportional to 172,596.88, 258,957.66 and 60,293.68

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Solution

The fourth proportional to 172,596.88, 258,957.66 and 60,293.68 is: 90,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,596.88 : 258,957.66 = 60,293.68 : x
  2. Step 2: Convert to fraction form
    172,596.88/258,957.66 = 60,293.68/x
  3. Step 3: Cross multiply
    172,596.88x = 258,957.66 × 60,293.68
  4. Step 4: Simplify right side
    172,596.88x = 15,613,510,285.59
  5. Step 5: Solve for x
    x = 15,613,510,285.59/172,596.88
  6. Step 6: Final answer
    x = 90,462.30

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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.