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Finding the Fourth Proportional to 295,136.80, 442,887.45 and 117,625.30

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Solution

The fourth proportional to 295,136.80, 442,887.45 and 117,625.30 is: 176,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,136.80 : 442,887.45 = 117,625.30 : x
  2. Step 2: Convert to fraction form
    295,136.80/442,887.45 = 117,625.30/x
  3. Step 3: Cross multiply
    295,136.80x = 442,887.45 × 117,625.30
  4. Step 4: Simplify right side
    295,136.80x = 52,094,769,172.49
  5. Step 5: Solve for x
    x = 52,094,769,172.49/295,136.80
  6. Step 6: Final answer
    x = 176,510.58

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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.