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Finding the Fourth Proportional to 172,849.70, 259,274.55 and 162,352.10

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Solution

The fourth proportional to 172,849.70, 259,274.55 and 162,352.10 is: 243,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,849.70 : 259,274.55 = 162,352.10 : x
  2. Step 2: Convert to fraction form
    172,849.70/259,274.55 = 162,352.10/x
  3. Step 3: Cross multiply
    172,849.70x = 259,274.55 × 162,352.10
  4. Step 4: Simplify right side
    172,849.70x = 42,093,767,669.06
  5. Step 5: Solve for x
    x = 42,093,767,669.06/172,849.70
  6. Step 6: Final answer
    x = 243,528.15

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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.