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Finding the Fourth Proportional to 148,900.40, 223,350.60 and 89,851.40

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Solution

The fourth proportional to 148,900.40, 223,350.60 and 89,851.40 is: 134,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,900.40 : 223,350.60 = 89,851.40 : x
  2. Step 2: Convert to fraction form
    148,900.40/223,350.60 = 89,851.40/x
  3. Step 3: Cross multiply
    148,900.40x = 223,350.60 × 89,851.40
  4. Step 4: Simplify right side
    148,900.40x = 20,068,364,100.84
  5. Step 5: Solve for x
    x = 20,068,364,100.84/148,900.40
  6. Step 6: Final answer
    x = 134,777.10

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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.