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Finding the Fourth Proportional to 191,051.87, 286,577.49 and 50,810.49

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Solution

The fourth proportional to 191,051.87, 286,577.49 and 50,810.49 is: 76,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,051.87 : 286,577.49 = 50,810.49 : x
  2. Step 2: Convert to fraction form
    191,051.87/286,577.49 = 50,810.49/x
  3. Step 3: Cross multiply
    191,051.87x = 286,577.49 × 50,810.49
  4. Step 4: Simplify right side
    191,051.87x = 14,561,142,880.41
  5. Step 5: Solve for x
    x = 14,561,142,880.41/191,051.87
  6. Step 6: Final answer
    x = 76,215.65

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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.