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Finding the Fourth Proportional to 166,886.51, 250,854.65 and 144,972.77

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Solution

The fourth proportional to 166,886.51, 250,854.65 and 144,972.77 is: 217,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,886.51 : 250,854.65 = 144,972.77 : x
  2. Step 2: Convert to fraction form
    166,886.51/250,854.65 = 144,972.77/x
  3. Step 3: Cross multiply
    166,886.51x = 250,854.65 × 144,972.77
  4. Step 4: Simplify right side
    166,886.51x = 36,367,092,753.02
  5. Step 5: Solve for x
    x = 36,367,092,753.02/166,886.51
  6. Step 6: Final answer
    x = 217,915.11

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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.