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Finding the Fourth Proportional to 159,611.81, 238,826.33 and 127,925.77

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Solution

The fourth proportional to 159,611.81, 238,826.33 and 127,925.77 is: 191,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,611.81 : 238,826.33 = 127,925.77 : x
  2. Step 2: Convert to fraction form
    159,611.81/238,826.33 = 127,925.77/x
  3. Step 3: Cross multiply
    159,611.81x = 238,826.33 × 127,925.77
  4. Step 4: Simplify right side
    159,611.81x = 30,552,041,521.90
  5. Step 5: Solve for x
    x = 30,552,041,521.90/159,611.81
  6. Step 6: Final answer
    x = 191,414.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.