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Finding the Fourth Proportional to 159,515.93, 220,093.47 and 105,062.33

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Solution

The fourth proportional to 159,515.93, 220,093.47 and 105,062.33 is: 144,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,515.93 : 220,093.47 = 105,062.33 : x
  2. Step 2: Convert to fraction form
    159,515.93/220,093.47 = 105,062.33/x
  3. Step 3: Cross multiply
    159,515.93x = 220,093.47 × 105,062.33
  4. Step 4: Simplify right side
    159,515.93x = 23,123,533,326.22
  5. Step 5: Solve for x
    x = 23,123,533,326.22/159,515.93
  6. Step 6: Final answer
    x = 144,960.65

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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.