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Finding the Fourth Proportional to 191,579.83, 287,382.71 and 73,263.67

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Solution

The fourth proportional to 191,579.83, 287,382.71 and 73,263.67 is: 109,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,579.83 : 287,382.71 = 73,263.67 : x
  2. Step 2: Convert to fraction form
    191,579.83/287,382.71 = 73,263.67/x
  3. Step 3: Cross multiply
    191,579.83x = 287,382.71 × 73,263.67
  4. Step 4: Simplify right side
    191,579.83x = 21,054,712,029.15
  5. Step 5: Solve for x
    x = 21,054,712,029.15/191,579.83
  6. Step 6: Final answer
    x = 109,900.46

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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.