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Finding the Fourth Proportional to 171,000.90, 256,501.35 and 162,836.10

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Solution

The fourth proportional to 171,000.90, 256,501.35 and 162,836.10 is: 244,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.90 : 256,501.35 = 162,836.10 : x
  2. Step 2: Convert to fraction form
    171,000.90/256,501.35 = 162,836.10/x
  3. Step 3: Cross multiply
    171,000.90x = 256,501.35 × 162,836.10
  4. Step 4: Simplify right side
    171,000.90x = 41,767,679,478.74
  5. Step 5: Solve for x
    x = 41,767,679,478.74/171,000.90
  6. Step 6: Final answer
    x = 244,254.15

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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.