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Finding the Fourth Proportional to 171,805.30, 257,902.35 and 101,724.10

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Solution

The fourth proportional to 171,805.30, 257,902.35 and 101,724.10 is: 152,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,805.30 : 257,902.35 = 101,724.10 : x
  2. Step 2: Convert to fraction form
    171,805.30/257,902.35 = 101,724.10/x
  3. Step 3: Cross multiply
    171,805.30x = 257,902.35 × 101,724.10
  4. Step 4: Simplify right side
    171,805.30x = 26,234,884,441.64
  5. Step 5: Solve for x
    x = 26,234,884,441.64/171,805.30
  6. Step 6: Final answer
    x = 152,701.25

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1.5x scale

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.