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Finding the Fourth Proportional to 161,235.62, 239,823.52 and 160,696.16

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Solution

The fourth proportional to 161,235.62, 239,823.52 and 160,696.16 is: 239,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,235.62 : 239,823.52 = 160,696.16 : x
  2. Step 2: Convert to fraction form
    161,235.62/239,823.52 = 160,696.16/x
  3. Step 3: Cross multiply
    161,235.62x = 239,823.52 × 160,696.16
  4. Step 4: Simplify right side
    161,235.62x = 38,538,718,741.68
  5. Step 5: Solve for x
    x = 38,538,718,741.68/161,235.62
  6. Step 6: Final answer
    x = 239,021.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.