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Finding the Fourth Proportional to 171,533.34, 236,724.66 and 103,549.23

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Solution

The fourth proportional to 171,533.34, 236,724.66 and 103,549.23 is: 142,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,533.34 : 236,724.66 = 103,549.23 : x
  2. Step 2: Convert to fraction form
    171,533.34/236,724.66 = 103,549.23/x
  3. Step 3: Cross multiply
    171,533.34x = 236,724.66 × 103,549.23
  4. Step 4: Simplify right side
    171,533.34x = 24,512,656,265.01
  5. Step 5: Solve for x
    x = 24,512,656,265.01/171,533.34
  6. Step 6: Final answer
    x = 142,903.16

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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.