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Finding the Fourth Proportional to 191,892.93, 287,841.15 and 73,536

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Solution

The fourth proportional to 191,892.93, 287,841.15 and 73,536 is: 110,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,892.93 : 287,841.15 = 73,536 : x
  2. Step 2: Convert to fraction form
    191,892.93/287,841.15 = 73,536/x
  3. Step 3: Cross multiply
    191,892.93x = 287,841.15 × 73,536
  4. Step 4: Simplify right side
    191,892.93x = 21,166,686,806.40
  5. Step 5: Solve for x
    x = 21,166,686,806.40/191,892.93
  6. Step 6: Final answer
    x = 110,304.67

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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.