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Finding the Fourth Proportional to 177,211.60, 265,725.60 and 52,536.40

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Solution

The fourth proportional to 177,211.60, 265,725.60 and 52,536.40 is: 78,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,211.60 : 265,725.60 = 52,536.40 : x
  2. Step 2: Convert to fraction form
    177,211.60/265,725.60 = 52,536.40/x
  3. Step 3: Cross multiply
    177,211.60x = 265,725.60 × 52,536.40
  4. Step 4: Simplify right side
    177,211.60x = 13,960,266,411.84
  5. Step 5: Solve for x
    x = 13,960,266,411.84/177,211.60
  6. Step 6: Final answer
    x = 78,777.38

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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.