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Finding the Fourth Proportional to 191,924.51, 287,541.97 and 112,995.68

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Solution

The fourth proportional to 191,924.51, 287,541.97 and 112,995.68 is: 169,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,924.51 : 287,541.97 = 112,995.68 : x
  2. Step 2: Convert to fraction form
    191,924.51/287,541.97 = 112,995.68/x
  3. Step 3: Cross multiply
    191,924.51x = 287,541.97 × 112,995.68
  4. Step 4: Simplify right side
    191,924.51x = 32,490,998,708.49
  5. Step 5: Solve for x
    x = 32,490,998,708.49/191,924.51
  6. Step 6: Final answer
    x = 169,290.52

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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.