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Finding the Fourth Proportional to 84,590.67, 116,682.33 and 54,415.33

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Solution

The fourth proportional to 84,590.67, 116,682.33 and 54,415.33 is: 75,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,590.67 : 116,682.33 = 54,415.33 : x
  2. Step 2: Convert to fraction form
    84,590.67/116,682.33 = 54,415.33/x
  3. Step 3: Cross multiply
    84,590.67x = 116,682.33 × 54,415.33
  4. Step 4: Simplify right side
    84,590.67x = 6,349,307,492.12
  5. Step 5: Solve for x
    x = 6,349,307,492.12/84,590.67
  6. Step 6: Final answer
    x = 75,059.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.