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Finding the Fourth Proportional to 147,906.60, 221,730.30 and 88,679.40

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Solution

The fourth proportional to 147,906.60, 221,730.30 and 88,679.40 is: 132,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906.60 : 221,730.30 = 88,679.40 : x
  2. Step 2: Convert to fraction form
    147,906.60/221,730.30 = 88,679.40/x
  3. Step 3: Cross multiply
    147,906.60x = 221,730.30 × 88,679.40
  4. Step 4: Simplify right side
    147,906.60x = 19,662,909,965.82
  5. Step 5: Solve for x
    x = 19,662,909,965.82/147,906.60
  6. Step 6: Final answer
    x = 132,941.40

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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.