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Finding the Fourth Proportional to 177,855.64, 266,675.93 and 69,655.89

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Solution

The fourth proportional to 177,855.64, 266,675.93 and 69,655.89 is: 104,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,855.64 : 266,675.93 = 69,655.89 : x
  2. Step 2: Convert to fraction form
    177,855.64/266,675.93 = 69,655.89/x
  3. Step 3: Cross multiply
    177,855.64x = 266,675.93 × 69,655.89
  4. Step 4: Simplify right side
    177,855.64x = 18,575,549,245.73
  5. Step 5: Solve for x
    x = 18,575,549,245.73/177,855.64
  6. Step 6: Final answer
    x = 104,441.72

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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.