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Finding the Fourth Proportional to 176,006.80, 263,621.40 and 92,803.60

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Solution

The fourth proportional to 176,006.80, 263,621.40 and 92,803.60 is: 139,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,006.80 : 263,621.40 = 92,803.60 : x
  2. Step 2: Convert to fraction form
    176,006.80/263,621.40 = 92,803.60/x
  3. Step 3: Cross multiply
    176,006.80x = 263,621.40 × 92,803.60
  4. Step 4: Simplify right side
    176,006.80x = 24,465,014,957.04
  5. Step 5: Solve for x
    x = 24,465,014,957.04/176,006.80
  6. Step 6: Final answer
    x = 139,000.40

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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.