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Finding the Fourth Proportional to 562,061.85, 843,136.79 and 162,708.63

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Solution

The fourth proportional to 562,061.85, 843,136.79 and 162,708.63 is: 244,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,061.85 : 843,136.79 = 162,708.63 : x
  2. Step 2: Convert to fraction form
    562,061.85/843,136.79 = 162,708.63/x
  3. Step 3: Cross multiply
    562,061.85x = 843,136.79 × 162,708.63
  4. Step 4: Simplify right side
    562,061.85x = 137,185,631,189.96
  5. Step 5: Solve for x
    x = 137,185,631,189.96/562,061.85
  6. Step 6: Final answer
    x = 244,075.69

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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.