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Finding the Fourth Proportional to 160,465.80, 221,449.72 and 88,845.82

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Solution

The fourth proportional to 160,465.80, 221,449.72 and 88,845.82 is: 122,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,465.80 : 221,449.72 = 88,845.82 : x
  2. Step 2: Convert to fraction form
    160,465.80/221,449.72 = 88,845.82/x
  3. Step 3: Cross multiply
    160,465.80x = 221,449.72 × 88,845.82
  4. Step 4: Simplify right side
    160,465.80x = 19,674,881,962.17
  5. Step 5: Solve for x
    x = 19,674,881,962.17/160,465.80
  6. Step 6: Final answer
    x = 122,611.06

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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.