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Finding the Fourth Proportional to 235,033.48, 352,505.10 and 66,513.10

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Solution

The fourth proportional to 235,033.48, 352,505.10 and 66,513.10 is: 99,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,033.48 : 352,505.10 = 66,513.10 : x
  2. Step 2: Convert to fraction form
    235,033.48/352,505.10 = 66,513.10/x
  3. Step 3: Cross multiply
    235,033.48x = 352,505.10 × 66,513.10
  4. Step 4: Simplify right side
    235,033.48x = 23,446,206,966.81
  5. Step 5: Solve for x
    x = 23,446,206,966.81/235,033.48
  6. Step 6: Final answer
    x = 99,756.88

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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.