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Finding the Fourth Proportional to 171,061.20, 256,587.75 and 46,402.20

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Solution

The fourth proportional to 171,061.20, 256,587.75 and 46,402.20 is: 69,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,061.20 : 256,587.75 = 46,402.20 : x
  2. Step 2: Convert to fraction form
    171,061.20/256,587.75 = 46,402.20/x
  3. Step 3: Cross multiply
    171,061.20x = 256,587.75 × 46,402.20
  4. Step 4: Simplify right side
    171,061.20x = 11,906,236,093.05
  5. Step 5: Solve for x
    x = 11,906,236,093.05/171,061.20
  6. Step 6: Final answer
    x = 69,602.20

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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.