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Finding the Fourth Proportional to 134,806.60, 202,209.90 and 119,254.60

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Solution

The fourth proportional to 134,806.60, 202,209.90 and 119,254.60 is: 178,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,806.60 : 202,209.90 = 119,254.60 : x
  2. Step 2: Convert to fraction form
    134,806.60/202,209.90 = 119,254.60/x
  3. Step 3: Cross multiply
    134,806.60x = 202,209.90 × 119,254.60
  4. Step 4: Simplify right side
    134,806.60x = 24,114,460,740.54
  5. Step 5: Solve for x
    x = 24,114,460,740.54/134,806.60
  6. Step 6: Final answer
    x = 178,881.90

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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.