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Finding the Fourth Proportional to 160,969.41, 241,458.68 and 42,640.77

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Solution

The fourth proportional to 160,969.41, 241,458.68 and 42,640.77 is: 63,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,969.41 : 241,458.68 = 42,640.77 : x
  2. Step 2: Convert to fraction form
    160,969.41/241,458.68 = 42,640.77/x
  3. Step 3: Cross multiply
    160,969.41x = 241,458.68 × 42,640.77
  4. Step 4: Simplify right side
    160,969.41x = 10,295,984,038.38
  5. Step 5: Solve for x
    x = 10,295,984,038.38/160,969.41
  6. Step 6: Final answer
    x = 63,962.36

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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.