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Finding the Fourth Proportional to 160,468.30, 221,453.18 and 88,848.32

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Solution

The fourth proportional to 160,468.30, 221,453.18 and 88,848.32 is: 122,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,468.30 : 221,453.18 = 88,848.32 : x
  2. Step 2: Convert to fraction form
    160,468.30/221,453.18 = 88,848.32/x
  3. Step 3: Cross multiply
    160,468.30x = 221,453.18 × 88,848.32
  4. Step 4: Simplify right side
    160,468.30x = 19,675,743,001.66
  5. Step 5: Solve for x
    x = 19,675,743,001.66/160,468.30
  6. Step 6: Final answer
    x = 122,614.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.