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Finding the Fourth Proportional to 255,240.84, 382,624.65 and 113,010.33

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Solution

The fourth proportional to 255,240.84, 382,624.65 and 113,010.33 is: 169,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,240.84 : 382,624.65 = 113,010.33 : x
  2. Step 2: Convert to fraction form
    255,240.84/382,624.65 = 113,010.33/x
  3. Step 3: Cross multiply
    255,240.84x = 382,624.65 × 113,010.33
  4. Step 4: Simplify right side
    255,240.84x = 43,240,537,962.63
  5. Step 5: Solve for x
    x = 43,240,537,962.63/255,240.84
  6. Step 6: Final answer
    x = 169,410.73

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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.