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Finding the Fourth Proportional to 161,673.60, 242,510.40 and 149,863.80

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Solution

The fourth proportional to 161,673.60, 242,510.40 and 149,863.80 is: 224,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,673.60 : 242,510.40 = 149,863.80 : x
  2. Step 2: Convert to fraction form
    161,673.60/242,510.40 = 149,863.80/x
  3. Step 3: Cross multiply
    161,673.60x = 242,510.40 × 149,863.80
  4. Step 4: Simplify right side
    161,673.60x = 36,343,530,083.52
  5. Step 5: Solve for x
    x = 36,343,530,083.52/161,673.60
  6. Step 6: Final answer
    x = 224,795.70

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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.