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Finding the Fourth Proportional to 191,875.62, 264,706.66 and 140,799.60

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Solution

The fourth proportional to 191,875.62, 264,706.66 and 140,799.60 is: 194,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,875.62 : 264,706.66 = 140,799.60 : x
  2. Step 2: Convert to fraction form
    191,875.62/264,706.66 = 140,799.60/x
  3. Step 3: Cross multiply
    191,875.62x = 264,706.66 × 140,799.60
  4. Step 4: Simplify right side
    191,875.62x = 37,270,591,845.34
  5. Step 5: Solve for x
    x = 37,270,591,845.34/191,875.62
  6. Step 6: Final answer
    x = 194,243.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.