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Finding the Fourth Proportional to 177,711.12, 266,271.12 and 125,010

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Solution

The fourth proportional to 177,711.12, 266,271.12 and 125,010 is: 187,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,711.12 : 266,271.12 = 125,010 : x
  2. Step 2: Convert to fraction form
    177,711.12/266,271.12 = 125,010/x
  3. Step 3: Cross multiply
    177,711.12x = 266,271.12 × 125,010
  4. Step 4: Simplify right side
    177,711.12x = 33,286,552,711.20
  5. Step 5: Solve for x
    x = 33,286,552,711.20/177,711.12
  6. Step 6: Final answer
    x = 187,307.09

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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.