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Finding the Fourth Proportional to 160,398.56, 240,680.80 and 116,388.16

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Solution

The fourth proportional to 160,398.56, 240,680.80 and 116,388.16 is: 174,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,398.56 : 240,680.80 = 116,388.16 : x
  2. Step 2: Convert to fraction form
    160,398.56/240,680.80 = 116,388.16/x
  3. Step 3: Cross multiply
    160,398.56x = 240,680.80 × 116,388.16
  4. Step 4: Simplify right side
    160,398.56x = 28,012,395,459.33
  5. Step 5: Solve for x
    x = 28,012,395,459.33/160,398.56
  6. Step 6: Final answer
    x = 174,642.44

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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.