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Finding the Fourth Proportional to 183,047.60, 274,279.80 and 135,808.40

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Solution

The fourth proportional to 183,047.60, 274,279.80 and 135,808.40 is: 203,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,047.60 : 274,279.80 = 135,808.40 : x
  2. Step 2: Convert to fraction form
    183,047.60/274,279.80 = 135,808.40/x
  3. Step 3: Cross multiply
    183,047.60x = 274,279.80 × 135,808.40
  4. Step 4: Simplify right side
    183,047.60x = 37,249,500,790.32
  5. Step 5: Solve for x
    x = 37,249,500,790.32/183,047.60
  6. Step 6: Final answer
    x = 203,496.25

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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.