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Finding the Fourth Proportional to 171,798.84, 237,033.90 and 111,372.12

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Solution

The fourth proportional to 171,798.84, 237,033.90 and 111,372.12 is: 153,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,798.84 : 237,033.90 = 111,372.12 : x
  2. Step 2: Convert to fraction form
    171,798.84/237,033.90 = 111,372.12/x
  3. Step 3: Cross multiply
    171,798.84x = 237,033.90 × 111,372.12
  4. Step 4: Simplify right side
    171,798.84x = 26,398,967,954.87
  5. Step 5: Solve for x
    x = 26,398,967,954.87/171,798.84
  6. Step 6: Final answer
    x = 153,662.08

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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.