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Finding the Fourth Proportional to 179,602.80, 269,404.20 and 61,407.60

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Solution

The fourth proportional to 179,602.80, 269,404.20 and 61,407.60 is: 92,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,602.80 : 269,404.20 = 61,407.60 : x
  2. Step 2: Convert to fraction form
    179,602.80/269,404.20 = 61,407.60/x
  3. Step 3: Cross multiply
    179,602.80x = 269,404.20 × 61,407.60
  4. Step 4: Simplify right side
    179,602.80x = 16,543,465,351.92
  5. Step 5: Solve for x
    x = 16,543,465,351.92/179,602.80
  6. Step 6: Final answer
    x = 92,111.40

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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.