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Finding the Fourth Proportional to 84,086.84, 116,048.04 and 62,829.20

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Solution

The fourth proportional to 84,086.84, 116,048.04 and 62,829.20 is: 86,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,086.84 : 116,048.04 = 62,829.20 : x
  2. Step 2: Convert to fraction form
    84,086.84/116,048.04 = 62,829.20/x
  3. Step 3: Cross multiply
    84,086.84x = 116,048.04 × 62,829.20
  4. Step 4: Simplify right side
    84,086.84x = 7,291,205,514.77
  5. Step 5: Solve for x
    x = 7,291,205,514.77/84,086.84
  6. Step 6: Final answer
    x = 86,710.42

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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.