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Finding the Fourth Proportional to 94,169.93, 129,896.93 and 55,903.50

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Solution

The fourth proportional to 94,169.93, 129,896.93 and 55,903.50 is: 77,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,169.93 : 129,896.93 = 55,903.50 : x
  2. Step 2: Convert to fraction form
    94,169.93/129,896.93 = 55,903.50/x
  3. Step 3: Cross multiply
    94,169.93x = 129,896.93 × 55,903.50
  4. Step 4: Simplify right side
    94,169.93x = 7,261,693,166.01
  5. Step 5: Solve for x
    x = 7,261,693,166.01/94,169.93
  6. Step 6: Final answer
    x = 77,112.66

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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.