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Finding the Fourth Proportional to 161,216.69, 241,824.74 and 42,888.03

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Solution

The fourth proportional to 161,216.69, 241,824.74 and 42,888.03 is: 64,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,216.69 : 241,824.74 = 42,888.03 : x
  2. Step 2: Convert to fraction form
    161,216.69/241,824.74 = 42,888.03/x
  3. Step 3: Cross multiply
    161,216.69x = 241,824.74 × 42,888.03
  4. Step 4: Simplify right side
    161,216.69x = 10,371,386,811.08
  5. Step 5: Solve for x
    x = 10,371,386,811.08/161,216.69
  6. Step 6: Final answer
    x = 64,331.97

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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.