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Finding the Fourth Proportional to 169,643.40, 254,303.10 and 62,998.80

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Solution

The fourth proportional to 169,643.40, 254,303.10 and 62,998.80 is: 94,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,643.40 : 254,303.10 = 62,998.80 : x
  2. Step 2: Convert to fraction form
    169,643.40/254,303.10 = 62,998.80/x
  3. Step 3: Cross multiply
    169,643.40x = 254,303.10 × 62,998.80
  4. Step 4: Simplify right side
    169,643.40x = 16,020,790,136.28
  5. Step 5: Solve for x
    x = 16,020,790,136.28/169,643.40
  6. Step 6: Final answer
    x = 94,438.04

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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.