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Finding the Fourth Proportional to 88,720, 133,095.84 and 29,559.04

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Solution

The fourth proportional to 88,720, 133,095.84 and 29,559.04 is: 44,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720 : 133,095.84 = 29,559.04 : x
  2. Step 2: Convert to fraction form
    88,720/133,095.84 = 29,559.04/x
  3. Step 3: Cross multiply
    88,720x = 133,095.84 × 29,559.04
  4. Step 4: Simplify right side
    88,720x = 3,934,185,258.39
  5. Step 5: Solve for x
    x = 3,934,185,258.39/88,720
  6. Step 6: Final answer
    x = 44,343.84

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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.