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Finding the Fourth Proportional to 161,483, 242,229.16 and 43,154.52

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Solution

The fourth proportional to 161,483, 242,229.16 and 43,154.52 is: 64,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,483 : 242,229.16 = 43,154.52 : x
  2. Step 2: Convert to fraction form
    161,483/242,229.16 = 43,154.52/x
  3. Step 3: Cross multiply
    161,483x = 242,229.16 × 43,154.52
  4. Step 4: Simplify right side
    161,483x = 10,453,283,129.80
  5. Step 5: Solve for x
    x = 10,453,283,129.80/161,483
  6. Step 6: Final answer
    x = 64,733.03

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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.