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Finding the Fourth Proportional to 191,842.40, 287,763.15 and 51,601.16

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Solution

The fourth proportional to 191,842.40, 287,763.15 and 51,601.16 is: 77,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,842.40 : 287,763.15 = 51,601.16 : x
  2. Step 2: Convert to fraction form
    191,842.40/287,763.15 = 51,601.16/x
  3. Step 3: Cross multiply
    191,842.40x = 287,763.15 × 51,601.16
  4. Step 4: Simplify right side
    191,842.40x = 14,848,912,345.25
  5. Step 5: Solve for x
    x = 14,848,912,345.25/191,842.40
  6. Step 6: Final answer
    x = 77,401.62

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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.