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Finding the Fourth Proportional to 107,817.60, 161,726.56 and 37,696.80

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Solution

The fourth proportional to 107,817.60, 161,726.56 and 37,696.80 is: 56,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,817.60 : 161,726.56 = 37,696.80 : x
  2. Step 2: Convert to fraction form
    107,817.60/161,726.56 = 37,696.80/x
  3. Step 3: Cross multiply
    107,817.60x = 161,726.56 × 37,696.80
  4. Step 4: Simplify right side
    107,817.60x = 6,096,573,787.01
  5. Step 5: Solve for x
    x = 6,096,573,787.01/107,817.60
  6. Step 6: Final answer
    x = 56,545.26

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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.