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Finding the Fourth Proportional to 177,848.60, 266,681.70 and 53,173.40

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Solution

The fourth proportional to 177,848.60, 266,681.70 and 53,173.40 is: 79,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,848.60 : 266,681.70 = 53,173.40 : x
  2. Step 2: Convert to fraction form
    177,848.60/266,681.70 = 53,173.40/x
  3. Step 3: Cross multiply
    177,848.60x = 266,681.70 × 53,173.40
  4. Step 4: Simplify right side
    177,848.60x = 14,180,372,706.78
  5. Step 5: Solve for x
    x = 14,180,372,706.78/177,848.60
  6. Step 6: Final answer
    x = 79,732.83

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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.