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Finding the Fourth Proportional to 114,628.68, 158,166.09 and 66,870.09

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Solution

The fourth proportional to 114,628.68, 158,166.09 and 66,870.09 is: 92,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,628.68 : 158,166.09 = 66,870.09 : x
  2. Step 2: Convert to fraction form
    114,628.68/158,166.09 = 66,870.09/x
  3. Step 3: Cross multiply
    114,628.68x = 158,166.09 × 66,870.09
  4. Step 4: Simplify right side
    114,628.68x = 10,576,580,673.25
  5. Step 5: Solve for x
    x = 10,576,580,673.25/114,628.68
  6. Step 6: Final answer
    x = 92,268.19

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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.