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Finding the Fourth Proportional to 191,969.79, 264,899.93 and 107,092.32

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Solution

The fourth proportional to 191,969.79, 264,899.93 and 107,092.32 is: 147,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,969.79 : 264,899.93 = 107,092.32 : x
  2. Step 2: Convert to fraction form
    191,969.79/264,899.93 = 107,092.32/x
  3. Step 3: Cross multiply
    191,969.79x = 264,899.93 × 107,092.32
  4. Step 4: Simplify right side
    191,969.79x = 28,368,748,071.54
  5. Step 5: Solve for x
    x = 28,368,748,071.54/191,969.79
  6. Step 6: Final answer
    x = 147,777.15

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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.