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Finding the Fourth Proportional to 250,871.40, 376,307.10 and 117,843.48

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Solution

The fourth proportional to 250,871.40, 376,307.10 and 117,843.48 is: 176,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,871.40 : 376,307.10 = 117,843.48 : x
  2. Step 2: Convert to fraction form
    250,871.40/376,307.10 = 117,843.48/x
  3. Step 3: Cross multiply
    250,871.40x = 376,307.10 × 117,843.48
  4. Step 4: Simplify right side
    250,871.40x = 44,345,338,212.71
  5. Step 5: Solve for x
    x = 44,345,338,212.71/250,871.40
  6. Step 6: Final answer
    x = 176,765.22

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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.