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Finding the Fourth Proportional to 252,268.95, 348,133.88 and 137,546.67

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Solution

The fourth proportional to 252,268.95, 348,133.88 and 137,546.67 is: 189,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,268.95 : 348,133.88 = 137,546.67 : x
  2. Step 2: Convert to fraction form
    252,268.95/348,133.88 = 137,546.67/x
  3. Step 3: Cross multiply
    252,268.95x = 348,133.88 × 137,546.67
  4. Step 4: Simplify right side
    252,268.95x = 47,884,655,908.18
  5. Step 5: Solve for x
    x = 47,884,655,908.18/252,268.95
  6. Step 6: Final answer
    x = 189,815.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.