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Finding the Fourth Proportional to 168,681.72, 253,030.68 and 50,362.32

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Solution

The fourth proportional to 168,681.72, 253,030.68 and 50,362.32 is: 75,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,681.72 : 253,030.68 = 50,362.32 : x
  2. Step 2: Convert to fraction form
    168,681.72/253,030.68 = 50,362.32/x
  3. Step 3: Cross multiply
    168,681.72x = 253,030.68 × 50,362.32
  4. Step 4: Simplify right side
    168,681.72x = 12,743,212,075.98
  5. Step 5: Solve for x
    x = 12,743,212,075.98/168,681.72
  6. Step 6: Final answer
    x = 75,545.90

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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.