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Finding the Fourth Proportional to 174,478.80, 261,718.20 and 162,814.80

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Solution

The fourth proportional to 174,478.80, 261,718.20 and 162,814.80 is: 244,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,478.80 : 261,718.20 = 162,814.80 : x
  2. Step 2: Convert to fraction form
    174,478.80/261,718.20 = 162,814.80/x
  3. Step 3: Cross multiply
    174,478.80x = 261,718.20 × 162,814.80
  4. Step 4: Simplify right side
    174,478.80x = 42,611,596,389.36
  5. Step 5: Solve for x
    x = 42,611,596,389.36/174,478.80
  6. Step 6: Final answer
    x = 244,222.20

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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.