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Finding the Fourth Proportional to 160,798.81, 241,175.87 and 112,621.50

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Solution

The fourth proportional to 160,798.81, 241,175.87 and 112,621.50 is: 168,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,798.81 : 241,175.87 = 112,621.50 : x
  2. Step 2: Convert to fraction form
    160,798.81/241,175.87 = 112,621.50/x
  3. Step 3: Cross multiply
    160,798.81x = 241,175.87 × 112,621.50
  4. Step 4: Simplify right side
    160,798.81x = 27,161,588,243.21
  5. Step 5: Solve for x
    x = 27,161,588,243.21/160,798.81
  6. Step 6: Final answer
    x = 168,916.60

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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.