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Finding the Fourth Proportional to 191,832, 287,851.68 and 93,336

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Solution

The fourth proportional to 191,832, 287,851.68 and 93,336 is: 140,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,832 : 287,851.68 = 93,336 : x
  2. Step 2: Convert to fraction form
    191,832/287,851.68 = 93,336/x
  3. Step 3: Cross multiply
    191,832x = 287,851.68 × 93,336
  4. Step 4: Simplify right side
    191,832x = 26,866,924,404.48
  5. Step 5: Solve for x
    x = 26,866,924,404.48/191,832
  6. Step 6: Final answer
    x = 140,054.45

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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.