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Finding the Fourth Proportional to 131,166.58, 180,993.45 and 73,798.84

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Solution

The fourth proportional to 131,166.58, 180,993.45 and 73,798.84 is: 101,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166.58 : 180,993.45 = 73,798.84 : x
  2. Step 2: Convert to fraction form
    131,166.58/180,993.45 = 73,798.84/x
  3. Step 3: Cross multiply
    131,166.58x = 180,993.45 × 73,798.84
  4. Step 4: Simplify right side
    131,166.58x = 13,357,106,657.60
  5. Step 5: Solve for x
    x = 13,357,106,657.60/131,166.58
  6. Step 6: Final answer
    x = 101,833.15

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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.