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Finding the Fourth Proportional to 172,571.08, 258,918.92 and 60,267.84

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Solution

The fourth proportional to 172,571.08, 258,918.92 and 60,267.84 is: 90,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,571.08 : 258,918.92 = 60,267.84 : x
  2. Step 2: Convert to fraction form
    172,571.08/258,918.92 = 60,267.84/x
  3. Step 3: Cross multiply
    172,571.08x = 258,918.92 × 60,267.84
  4. Step 4: Simplify right side
    172,571.08x = 15,604,484,043.53
  5. Step 5: Solve for x
    x = 15,604,484,043.53/172,571.08
  6. Step 6: Final answer
    x = 90,423.52

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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.