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Finding the Fourth Proportional to 147,325.59, 203,299.76 and 86,882.39

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Solution

The fourth proportional to 147,325.59, 203,299.76 and 86,882.39 is: 119,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,325.59 : 203,299.76 = 86,882.39 : x
  2. Step 2: Convert to fraction form
    147,325.59/203,299.76 = 86,882.39/x
  3. Step 3: Cross multiply
    147,325.59x = 203,299.76 × 86,882.39
  4. Step 4: Simplify right side
    147,325.59x = 17,663,167,584.32
  5. Step 5: Solve for x
    x = 17,663,167,584.32/147,325.59
  6. Step 6: Final answer
    x = 119,892.05

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1.5x scale

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.