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Finding the Fourth Proportional to 177,622.01, 266,474.90 and 57,678.57

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Solution

The fourth proportional to 177,622.01, 266,474.90 and 57,678.57 is: 86,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,622.01 : 266,474.90 = 57,678.57 : x
  2. Step 2: Convert to fraction form
    177,622.01/266,474.90 = 57,678.57/x
  3. Step 3: Cross multiply
    177,622.01x = 266,474.90 × 57,678.57
  4. Step 4: Simplify right side
    177,622.01x = 15,369,891,172.89
  5. Step 5: Solve for x
    x = 15,369,891,172.89/177,622.01
  6. Step 6: Final answer
    x = 86,531.46

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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.