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Finding the Fourth Proportional to 81,166.84, 112,010.06 and 45,356.85

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Solution

The fourth proportional to 81,166.84, 112,010.06 and 45,356.85 is: 62,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.84 : 112,010.06 = 45,356.85 : x
  2. Step 2: Convert to fraction form
    81,166.84/112,010.06 = 45,356.85/x
  3. Step 3: Cross multiply
    81,166.84x = 112,010.06 × 45,356.85
  4. Step 4: Simplify right side
    81,166.84x = 5,080,423,656.54
  5. Step 5: Solve for x
    x = 5,080,423,656.54/81,166.84
  6. Step 6: Final answer
    x = 62,592.35

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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.