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Finding the Fourth Proportional to 172,544.84, 258,858.71 and 54,216.08

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Solution

The fourth proportional to 172,544.84, 258,858.71 and 54,216.08 is: 81,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,544.84 : 258,858.71 = 54,216.08 : x
  2. Step 2: Convert to fraction form
    172,544.84/258,858.71 = 54,216.08/x
  3. Step 3: Cross multiply
    172,544.84x = 258,858.71 × 54,216.08
  4. Step 4: Simplify right side
    172,544.84x = 14,034,304,530.06
  5. Step 5: Solve for x
    x = 14,034,304,530.06/172,544.84
  6. Step 6: Final answer
    x = 81,337.14

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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.