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Finding the Fourth Proportional to 134,730.60, 201,998.70 and 88,009.80

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Solution

The fourth proportional to 134,730.60, 201,998.70 and 88,009.80 is: 131,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.60 : 201,998.70 = 88,009.80 : x
  2. Step 2: Convert to fraction form
    134,730.60/201,998.70 = 88,009.80/x
  3. Step 3: Cross multiply
    134,730.60x = 201,998.70 × 88,009.80
  4. Step 4: Simplify right side
    134,730.60x = 17,777,865,187.26
  5. Step 5: Solve for x
    x = 17,777,865,187.26/134,730.60
  6. Step 6: Final answer
    x = 131,951.21

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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.