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Finding the Fourth Proportional to 116,065.64, 159,127.47 and 113,966.12

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Solution

The fourth proportional to 116,065.64, 159,127.47 and 113,966.12 is: 156,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,065.64 : 159,127.47 = 113,966.12 : x
  2. Step 2: Convert to fraction form
    116,065.64/159,127.47 = 113,966.12/x
  3. Step 3: Cross multiply
    116,065.64x = 159,127.47 × 113,966.12
  4. Step 4: Simplify right side
    116,065.64x = 18,135,139,545.68
  5. Step 5: Solve for x
    x = 18,135,139,545.68/116,065.64
  6. Step 6: Final answer
    x = 156,249.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.