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Finding the Fourth Proportional to 161,349, 242,036.28 and 49,038.96

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Solution

The fourth proportional to 161,349, 242,036.28 and 49,038.96 is: 73,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,349 : 242,036.28 = 49,038.96 : x
  2. Step 2: Convert to fraction form
    161,349/242,036.28 = 49,038.96/x
  3. Step 3: Cross multiply
    161,349x = 242,036.28 × 49,038.96
  4. Step 4: Simplify right side
    161,349x = 11,869,207,453.47
  5. Step 5: Solve for x
    x = 11,869,207,453.47/161,349
  6. Step 6: Final answer
    x = 73,562.32

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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.