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Finding the Fourth Proportional to 159,900.11, 220,662.47 and 88,280.27

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Solution

The fourth proportional to 159,900.11, 220,662.47 and 88,280.27 is: 121,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,900.11 : 220,662.47 = 88,280.27 : x
  2. Step 2: Convert to fraction form
    159,900.11/220,662.47 = 88,280.27/x
  3. Step 3: Cross multiply
    159,900.11x = 220,662.47 × 88,280.27
  4. Step 4: Simplify right side
    159,900.11x = 19,480,141,547.86
  5. Step 5: Solve for x
    x = 19,480,141,547.86/159,900.11
  6. Step 6: Final answer
    x = 121,826.95

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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.