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Finding the Fourth Proportional to 160,830.08, 241,260.48 and 72,080

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Solution

The fourth proportional to 160,830.08, 241,260.48 and 72,080 is: 108,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,830.08 : 241,260.48 = 72,080 : x
  2. Step 2: Convert to fraction form
    160,830.08/241,260.48 = 72,080/x
  3. Step 3: Cross multiply
    160,830.08x = 241,260.48 × 72,080
  4. Step 4: Simplify right side
    160,830.08x = 17,390,055,398.40
  5. Step 5: Solve for x
    x = 17,390,055,398.40/160,830.08
  6. Step 6: Final answer
    x = 108,126.88

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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.