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Finding the Fourth Proportional to 124,586.61, 171,927.08 and 67,998.39

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Solution

The fourth proportional to 124,586.61, 171,927.08 and 67,998.39 is: 93,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,586.61 : 171,927.08 = 67,998.39 : x
  2. Step 2: Convert to fraction form
    124,586.61/171,927.08 = 67,998.39/x
  3. Step 3: Cross multiply
    124,586.61x = 171,927.08 × 67,998.39
  4. Step 4: Simplify right side
    124,586.61x = 11,690,763,437.77
  5. Step 5: Solve for x
    x = 11,690,763,437.77/124,586.61
  6. Step 6: Final answer
    x = 93,836.44

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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.