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Finding the Fourth Proportional to 161,657.83, 242,486.74 and 49,338.64

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Solution

The fourth proportional to 161,657.83, 242,486.74 and 49,338.64 is: 74,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,657.83 : 242,486.74 = 49,338.64 : x
  2. Step 2: Convert to fraction form
    161,657.83/242,486.74 = 49,338.64/x
  3. Step 3: Cross multiply
    161,657.83x = 242,486.74 × 49,338.64
  4. Step 4: Simplify right side
    161,657.83x = 11,963,966,877.64
  5. Step 5: Solve for x
    x = 11,963,966,877.64/161,657.83
  6. Step 6: Final answer
    x = 74,007.97

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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.