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Finding the Fourth Proportional to 255,224.62, 382,854.55 and 86,676.17

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Solution

The fourth proportional to 255,224.62, 382,854.55 and 86,676.17 is: 130,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,224.62 : 382,854.55 = 86,676.17 : x
  2. Step 2: Convert to fraction form
    255,224.62/382,854.55 = 86,676.17/x
  3. Step 3: Cross multiply
    255,224.62x = 382,854.55 × 86,676.17
  4. Step 4: Simplify right side
    255,224.62x = 33,184,366,801.52
  5. Step 5: Solve for x
    x = 33,184,366,801.52/255,224.62
  6. Step 6: Final answer
    x = 130,020.24

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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.