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Finding the Fourth Proportional to 172,955.84, 259,410.72 and 48,309.44

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Solution

The fourth proportional to 172,955.84, 259,410.72 and 48,309.44 is: 72,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,955.84 : 259,410.72 = 48,309.44 : x
  2. Step 2: Convert to fraction form
    172,955.84/259,410.72 = 48,309.44/x
  3. Step 3: Cross multiply
    172,955.84x = 259,410.72 × 48,309.44
  4. Step 4: Simplify right side
    172,955.84x = 12,531,986,613.20
  5. Step 5: Solve for x
    x = 12,531,986,613.20/172,955.84
  6. Step 6: Final answer
    x = 72,457.72

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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.