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Finding the Fourth Proportional to 177,754, 266,640.72 and 53,104.72

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Solution

The fourth proportional to 177,754, 266,640.72 and 53,104.72 is: 79,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,754 : 266,640.72 = 53,104.72 : x
  2. Step 2: Convert to fraction form
    177,754/266,640.72 = 53,104.72/x
  3. Step 3: Cross multiply
    177,754x = 266,640.72 × 53,104.72
  4. Step 4: Simplify right side
    177,754x = 14,159,880,776.20
  5. Step 5: Solve for x
    x = 14,159,880,776.20/177,754
  6. Step 6: Final answer
    x = 79,659.98

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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.