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Finding the Fourth Proportional to 177,803.94, 266,706.12 and 72,622.92

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Solution

The fourth proportional to 177,803.94, 266,706.12 and 72,622.92 is: 108,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,803.94 : 266,706.12 = 72,622.92 : x
  2. Step 2: Convert to fraction form
    177,803.94/266,706.12 = 72,622.92/x
  3. Step 3: Cross multiply
    177,803.94x = 266,706.12 × 72,622.92
  4. Step 4: Simplify right side
    177,803.94x = 19,368,977,216.27
  5. Step 5: Solve for x
    x = 19,368,977,216.27/177,803.94
  6. Step 6: Final answer
    x = 108,934.47

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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.