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Finding the Fourth Proportional to 172,299.53, 258,415.23 and 163,755.08

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Solution

The fourth proportional to 172,299.53, 258,415.23 and 163,755.08 is: 245,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,299.53 : 258,415.23 = 163,755.08 : x
  2. Step 2: Convert to fraction form
    172,299.53/258,415.23 = 163,755.08/x
  3. Step 3: Cross multiply
    172,299.53x = 258,415.23 × 163,755.08
  4. Step 4: Simplify right side
    172,299.53x = 42,316,805,197.05
  5. Step 5: Solve for x
    x = 42,316,805,197.05/172,299.53
  6. Step 6: Final answer
    x = 245,600.24

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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.