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Finding the Fourth Proportional to 191,883.41, 264,799.36 and 105,840.46

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Solution

The fourth proportional to 191,883.41, 264,799.36 and 105,840.46 is: 146,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,883.41 : 264,799.36 = 105,840.46 : x
  2. Step 2: Convert to fraction form
    191,883.41/264,799.36 = 105,840.46/x
  3. Step 3: Cross multiply
    191,883.41x = 264,799.36 × 105,840.46
  4. Step 4: Simplify right side
    191,883.41x = 28,026,486,070.11
  5. Step 5: Solve for x
    x = 28,026,486,070.11/191,883.41
  6. Step 6: Final answer
    x = 146,059.98

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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.