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Finding the Fourth Proportional to 159,277.65, 238,916.18 and 109,205.95

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Solution

The fourth proportional to 159,277.65, 238,916.18 and 109,205.95 is: 163,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,277.65 : 238,916.18 = 109,205.95 : x
  2. Step 2: Convert to fraction form
    159,277.65/238,916.18 = 109,205.95/x
  3. Step 3: Cross multiply
    159,277.65x = 238,916.18 × 109,205.95
  4. Step 4: Simplify right side
    159,277.65x = 26,091,068,407.27
  5. Step 5: Solve for x
    x = 26,091,068,407.27/159,277.65
  6. Step 6: Final answer
    x = 163,808.72

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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.