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Finding the Fourth Proportional to 170,816.70, 256,225.05 and 170,816.70

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Solution

The fourth proportional to 170,816.70, 256,225.05 and 170,816.70 is: 256,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,816.70 : 256,225.05 = 170,816.70 : x
  2. Step 2: Convert to fraction form
    170,816.70/256,225.05 = 170,816.70/x
  3. Step 3: Cross multiply
    170,816.70x = 256,225.05 × 170,816.70
  4. Step 4: Simplify right side
    170,816.70x = 43,767,517,498.34
  5. Step 5: Solve for x
    x = 43,767,517,498.34/170,816.70
  6. Step 6: Final answer
    x = 256,225.05

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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.