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Finding the Fourth Proportional to 152,062.92, 209,719.53 and 113,912.19

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Solution

The fourth proportional to 152,062.92, 209,719.53 and 113,912.19 is: 157,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,062.92 : 209,719.53 = 113,912.19 : x
  2. Step 2: Convert to fraction form
    152,062.92/209,719.53 = 113,912.19/x
  3. Step 3: Cross multiply
    152,062.92x = 209,719.53 × 113,912.19
  4. Step 4: Simplify right side
    152,062.92x = 23,889,610,948.07
  5. Step 5: Solve for x
    x = 23,889,610,948.07/152,062.92
  6. Step 6: Final answer
    x = 157,103.46

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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.