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Finding the Fourth Proportional to 171,312.52, 256,968.78 and 58,995.50

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Solution

The fourth proportional to 171,312.52, 256,968.78 and 58,995.50 is: 88,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,312.52 : 256,968.78 = 58,995.50 : x
  2. Step 2: Convert to fraction form
    171,312.52/256,968.78 = 58,995.50/x
  3. Step 3: Cross multiply
    171,312.52x = 256,968.78 × 58,995.50
  4. Step 4: Simplify right side
    171,312.52x = 15,160,001,660.49
  5. Step 5: Solve for x
    x = 15,160,001,660.49/171,312.52
  6. Step 6: Final answer
    x = 88,493.25

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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.