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Finding the Fourth Proportional to 171,805.80, 257,903.10 and 101,724.60

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Solution

The fourth proportional to 171,805.80, 257,903.10 and 101,724.60 is: 152,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,805.80 : 257,903.10 = 101,724.60 : x
  2. Step 2: Convert to fraction form
    171,805.80/257,903.10 = 101,724.60/x
  3. Step 3: Cross multiply
    171,805.80x = 257,903.10 × 101,724.60
  4. Step 4: Simplify right side
    171,805.80x = 26,235,089,686.26
  5. Step 5: Solve for x
    x = 26,235,089,686.26/171,805.80
  6. Step 6: Final answer
    x = 152,702.00

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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.